ASTM E3367-23

Standard Test Method for Determining the Combustion Behavior of Layered Assemblies using a Cone Calorimeter

SIGNIFICANCE AND USE
5.1 Flammable liquid products can be generated by either pyrolysis or melting of polymers. Materials that generate flammable liquid products include thermoplastic polymers (for example, polyolefins) and thermosetting polymers (for example, polyurea and flexible polyurethane), which degrade to yield, in part, liquid pyrolyzates when pyrolyzing. Such liquid material can accumulate underneath a burning item and eventually ignite to form a pool fire, generally leading to a sharp increase in heat release rate and increase in fire hazard.  
5.2 Fire barriers are able to hinder the formation of a pool fire by delaying the generation and the release of flammable liquid products.  
5.3 This test method is intended to simulate the combustion of a central (that is, away from the edges) cross-section of a single material or a multi-layered product with ignition occurring on the top surface of the specimen.  
5.4 The test method is designed to assess whether liquid products are released during the test and the time at which they are released.  
5.5 The test method is designed to assess whether dripping occurs during the test and the time at which it occurs.  
5.6 The test method is designed to assess whether bottom ignition occurs during the test and the time at which it occurs.  
5.7 The test method is designed to assess whether pool ignition occurs during the test and the time at which it occurs.  
5.8 The test method is designed to assess whether burn-through occurs during the test and the time at which it occurs.  
5.9 The test measures heat release rate, mass loss rate and the resulting smoke obscuration as a result of exposing the specimen to a radiant heat source.  
5.10 The test method assesses whether the components of the specimen under examination demonstrates any of the following behaviors: breaking open, charring, appearance of superficial cracks without complete separation of the parts, melting, or shrinkage.  
5.11 The test method does not assess flame s...
SCOPE
1.1 This test method covers a means to measure the response of materials, products or layered assemblies when exposed to controlled levels of radiant heating, with or without an external ignitor.  
1.2 This test method provides an alternative test configuration to Test Method E1354 to measure the ignitability, heat release rate (including peak heat release rate and total heat released), mass loss rate, effective heat of combustion and visible smoke development.  
1.3 Compared to Test Method E1354, this test method adds the ability to measure the time at which the following phenomena occur: (1) appearance of liquid products (generated by either melting or pyrolysis of the specimen) underneath the sample, dripping and generation of a liquid pool underneath the specimen, (2) flaming over the bottom surface of the specimen and liquid pool, and; (3) burn-through.  
1.4 This test method is not intended to measure the response of products comprised of noncombustible cores.  
1.5 The top side of the specimens shall be exposed to an initial test heat flux of 0 kW/m2 to 75 kW/m2. External ignition, if any, shall be by electric spark.  
1.6 This test method has been developed for use to evaluate the fire test response characteristics of materials, products or layered assemblies. It is potentially useful for mathematical modeling, material or product design purposes, and research and development.  
1.7 This test method is used to measure and describe the response of assemblies to heat and flame under controlled conditions but does not by itself incorporate all factors required for fire hazard or fire risk assessment of an end-use product under actual fire conditions.  
1.8 This test method is used to measure the effect of fire barriers on the burning behavior of materials, products or layered assemblies to a range of radiant heat intensities but does not account for all factors that affect the performance of fire barriers at ...

General Information

• Status: Published
• Publication Date: 14-Jun-2023
• ICS: 13.220.50 - Fire-resistance of building materials and elements
• ICS: 17.200.10 - Heat. Calorimetry
• Technical Committee: E05 - Fire Standards
• Drafting Committee: E05.21 - Smoke and Combustion Products

Relations

• Refers: ASTM E176-24 - Standard Terminology of Fire Standards
• Effective Date: 01-Jan-2024
• Refers: ASTM E176-18a - Standard Terminology of Fire Standards
• Effective Date: 15-Dec-2018
• Refers: ASTM D4391-18 - Standard Terminology Relating to The Burning Behavior of Textiles
• Effective Date: 01-May-2018
• Refers: ASTM E176-18 - Standard Terminology of Fire Standards
• Effective Date: 01-Mar-2018
• Refers: ASTM D123-17 - Standard Terminology Relating to Textiles
• Effective Date: 01-Mar-2017
• Refers: ASTM E1354-16a - Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
• Effective Date: 01-May-2016
• Refers: ASTM D4391-16e1 - Standard Terminology Relating to The Burning Behavior of Textiles
• Effective Date: 15-Feb-2016
• Refers: ASTM D4391-16 - Standard Terminology Relating to The Burning Behavior of Textiles
• Effective Date: 15-Feb-2016
• Refers: ASTM E1354-16 - Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
• Effective Date: 01-Feb-2016
• Refers: ASTM D123-15b - Standard Terminology Relating to Textiles
• Effective Date: 15-Sep-2015
• Refers: ASTM D123-15a - Standard Terminology Relating to Textiles
• Effective Date: 01-Sep-2015
• Refers: ASTM E176-15ae1 - Standard Terminology of Fire Standards
• Effective Date: 01-Aug-2015
• Refers: ASTM E1354-15a - Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
• Effective Date: 01-Aug-2015
• Refers: ASTM E176-15a - Standard Terminology of Fire Standards
• Effective Date: 01-Aug-2015
• Refers: ASTM E1354-15 - Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
• Effective Date: 15-May-2015

Overview

ASTM E3367-23: Standard Test Method for Determining the Combustion Behavior of Layered Assemblies using a Cone Calorimeter is a comprehensive standard developed by ASTM International. This test method specifies procedures to evaluate the combustion characteristics of materials, products, or layered assemblies when subjected to controlled radiant heating using a cone calorimeter. The method is especially significant for assemblies containing polymeric or composite materials prone to releasing flammable liquid products during combustion, with a focus on the role of fire barriers in mitigating pool fire formation and fire hazard.

By simulating realistic fire exposure, while controlling key variables such as heat flux and potential ignition sources, ASTM E3367-23 delivers critical fire performance data necessary for designing safer materials, supporting regulatory compliance, and informing research and development in fire safety engineering.

Key Topics

• Measurement of Fire Response: This standard measures ignitability, heat release rate (HRR), peak and total heat released, mass loss rate, effective heat of combustion, and visible smoke development for materials and assemblies exposed to radiant heat.
• Evaluation of Pool Fire Formation: Unique to E3367-23 is the ability to assess the timing and occurrence of key fire phenomena including:
  • Appearance and release of liquid products through melting or pyrolysis
  • Dripping and pooling of flammable liquids
  • Ignition at the specimen's bottom and within the pool
  • Burn-through from top to bottom of the specimen
• Role of Fire Barriers: The test method is instrumental in evaluating the capacity of fire barriers (such as textiles, foils, or specialized coatings) to delay or prevent the release and ignition of flammable pyrolyzates, thus inhibiting pool fire progression.
• Representative Cross-Section Testing: The procedure focuses on the central cross-section of specimens, providing data relevant to real-world scenarios rather than just edge effects.
• Data Collection: Standardized measurements allow comparisons between fire barrier configurations, core materials, and overall assembly resilience to fire.

Applications

• Material and Product Development: ASTM E3367-23 is a valuable tool for manufacturers and researchers designing multi-layered products, such as building panels, furniture, vehicle interiors, and aerospace components. The standard helps optimize fire barriers without relying on chemical flame retardants.
• Fire Safety Assessment: The method is applicable in regulatory compliance, product certification, and quality assurance, offering key parameters for modeling material behavior under fire exposure.
• Mathematical Fire Modeling: Detailed HRR and timing data serve the needs of fire safety engineers conducting theoretical analyses and predictive modeling for fire growth and hazard evaluation.
• Research and Comparative Analysis: The standard provides a basis for comparative studies of different construction materials and their fire performance, supporting innovations in passive fire protection technologies.

Related Standards

• ASTM E1354 – Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter: E3367-23 offers an expanded configuration for layered assemblies compared to E1354, with enhanced capabilities for observing liquid product behavior.
• ASTM E176 – Terminology of Fire Standards: Provides standardized definitions for fire testing terms used within E3367-23.
• ASTM D123 – Terminology Relating to Textiles and ASTM D4391 – Terminology Relating to the Burning Behavior of Textiles: Relevant for testing assemblies involving textile layers.
• Other related fire testing standards may be referenced for specific application contexts or regulatory requirements.

---

ASTM E3367-23 supports fire safety innovation, regulatory compliance, and product development by enabling precise measurement of combustion behavior in layered assemblies, with a special focus on the effectiveness of fire barrier systems in real-world fire scenarios. For organizations prioritizing fire hazard reduction and material safety, adopting this standard delivers practical value and actionable data.

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E3367 − 23 An American National Standard
Standard Test Method for
Determining the Combustion Behavior of Layered
Assemblies using a Cone Calorimeter
This standard is issued under the fixed designation E3367; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope layered assemblies to a range of radiant heat intensities but
does not account for all factors that affect the performance of
1.1 This test method covers a means to measure the re-
fire barriers at full scale.
sponse of materials, products or layered assemblies when
exposed to controlled levels of radiant heating, with or without 1.9 The values stated in SI units are to be regarded as
an external ignitor. standard. No other units of measurement are included in this
standard.
1.2 This test method provides an alternative test configura-
1.10 This standard does not purport to address all of the
tion to Test Method E1354 to measure the ignitability, heat
safety concerns, if any, associated with its use. It is the
release rate (including peak heat release rate and total heat
responsibility of the user of this standard to establish appro-
released), mass loss rate, effective heat of combustion and
priate safety, health, and environmental practices and deter-
visible smoke development.
mine the applicability of regulatory limitations prior to use.
1.3 Compared to Test Method E1354, this test method adds
For specific hazard statements, refer to Section 7.1.
the ability to measure the time at which the following phenom-
1.11 Fire testing is inherently hazardous. Adequate safe-
ena occur: (1) appearance of liquid products (generated by
guards for personnel and property shall be employed in
either melting or pyrolysis of the specimen) underneath the
conducting these tests.
sample, dripping and generation of a liquid pool underneath the
1.12 This international standard was developed in accor-
specimen, (2) flaming over the bottom surface of the specimen
dance with internationally recognized principles on standard-
and liquid pool, and; (3) burn-through.
ization established in the Decision on Principles for the
1.4 This test method is not intended to measure the response
Development of International Standards, Guides and Recom-
of products comprised of noncombustible cores.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.5 The top side of the specimens shall be exposed to an
2 2
initial test heat flux of 0 kW ⁄m to 75 kW ⁄m . External
2. Referenced Documents
ignition, if any, shall be by electric spark.
2.1 ASTM Standards:
1.6 This test method has been developed for use to evaluate
D123 Terminology Relating to Textiles
the fire test response characteristics of materials, products or
D4391 Terminology Relating to The Burning Behavior of
layered assemblies. It is potentially useful for mathematical
Textiles
modeling, material or product design purposes, and research
E176 Terminology of Fire Standards
and development.
E1354 Test Method for Heat and Visible Smoke Release
1.7 This test method is used to measure and describe the
Rates for Materials and Products Using an Oxygen Con-
response of assemblies to heat and flame under controlled
sumption Calorimeter
conditions but does not by itself incorporate all factors required
for fire hazard or fire risk assessment of an end-use product
3. Terminology
under actual fire conditions.
3.1 Definitions:
1.8 This test method is used to measure the effect of fire
3.1.1 For definitions of terms related to fire, refer to Termi-
barriers on the burning behavior of materials, products or
nology E176.
This test method is under the jurisdiction of ASTM Committee E05 on Fire
Standards and is the direct responsibility of Subcommittee E05.21 on Smoke and For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Combustion Products. contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Current edition approved June 15, 2023. Published July 2023. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
E3367-23. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E3367 − 23
3.1.2 For definitions of terms related to textiles, refer to 4.2 This test provides means to measure time to wetting,
Terminology D123. time to dripping, time to bottom ignition, time to pool ignition,
time to burn-through as well as time-resolved heat release rate
3.1.3 For definitions of terms related to the burning behav-
and mass loss rate, peak heat release rate, total heat released,
ior of textiles, refer to Terminology D4391.
ignitability, and other fire-test-response characteristics as a
3.1.4 sustained flaming, n—flame on or over the surface of
function of the initial test heat flux.
a test specimen that lasts longer than a defined period of time.
3.2 Definitions: 4.3 The test specimen is intended to be a representative
cross-section of a product or layered assembly. The specimen
3.2.1 bottom ignition, n—a process leading to sustained
includes a core, constituting the main component and fuel
flaming underneath the specimen.
source of the specimen and, optionally, top layered materials
3.2.2 bottom layered materials, n—optional bottom portion
and bottom layered materials. The top and bottom layered
of the specimen, made of a single or multiple layers (such as
materials can act as fire barriers protecting the core.
metal foils, textiles and polymeric films), which covers the
bottom surface of the core.
4.4 This test method is not intended for products or assem-
3.2.2.1 Discussion—Top and bottom layered materials can blies comprised of cores that comply with the noncombustible
act as fire barriers protecting the core; they are sealed to the requirements of Test Method E1354.
specimen holder in order to prevent pyrolyzate leaking.
4.5 The sides of the core shall be insulated and sealed to
3.2.3 burn-through, n—a process leading to the formation of
minimize loss of heat and/or of products of decomposition.
a hole connecting the top to the bottom of the specimen.
4.6 The optional top and bottom layered materials shall be
3.2.4 core, n—main component and fuel source of the
sealed along their edge by the sample holder in order to inhibit
specimen.
leaks of pyrolizates.
3.2.4.1 Discussion—The specimen holder in the Cube Test
4.6.1 Sealing and insulating the sides of the specimens
is designed such that the lateral surface of the core is
promote, as much as possible (perfectly adiabatic conditions at
surrounded by a thermal insulator and a metal liner; this
the specimen sides, complete prevention of leaks, and total
promotes the formation of a one-dimensional heat/mass trans-
uniformity in the incident heat-flux are unfeasible), a one-
fer scenario where heat/mass transfer occurs in a direction
dimensional heat/mass transfer scenario where heat/mass trans-
perpendicular to the top and bottom surfaces of the core.
fer occurs in a direction perpendicular to the top surface of the
3.2.5 dripping, n—a process by which liquid products drips specimen.
and accumulate underneath the specimen to form a pool.
4.7 The optional top and bottom layered materials shall be
3.2.6 fire barrier, n—layer of a material or a product used to
constrained along their edge by the sample holder in order to
prevent or decrease the burning rate of the core by inhibiting
induce stress in shrinkage-prone layered materials.
heat and mass transfer.
4.8 The top surface of the specimen is exposed to initial test
3.2.7 layered assembly, n—product comprised of one or 2 2
heat fluxes in the range of 0 kW ⁄m to 75 kW ⁄m . External
multiple-layers including a core and, optionally, top layered
ignition, if any, shall be by means of an electric spark. For
materials and bottom layered materials.
exploratory testing, the initial test heat flux shall be of
3.2.8 liquid products, n—flammable liquid material gener-
50 kW ⁄m . When multiple initial test heat fluxes are to be
ated by melting or pyrolysis of the core. employed, in the absence of further specifications, values of
2 2 2
35 kW ⁄m , 50 kW ⁄m , and 75 kW ⁄m shall be used.
3.2.9 pool ignition, n—a process by which liquid products in
a pool are ignited.
4.9 For this test method, sustained flaming shall be consid-
ered to be a flame on or over the surface of a test specimen that
3.2.10 release of liquid products or “wetting”, n—a process
lasts longer than 4 s.
by which liquid products become visible on the bottom surface
of the specimen.
5. Significance and Use
3.2.10.1 Discussion—In presence of bottom layered materi-
als which are permeable to liquid products, wetting can be
5.1 Flammable liquid products can be generated by either
revealed by visible stains due to liquid products percolating
pyrolysis or melting of polymers. Materials that generate
through the bottom layered materials.
flammable liquid products include thermoplastic polymers (for
example, polyolefins) and thermosetting polymers (for
3.2.11 top layered materials, n—optional portion of the
specimen, made of a single or multiple layers (such as metal example, polyurea and flexible polyurethane), which degrade
to yield, in part, liquid pyrolyzates when pyrolyzing. Such
foils, textiles and polymeric films), which covers the top
surface of the core. liquid material can accumulate underneath a burning item and
eventually ignite to form a pool fire, generally leading to a
sharp increase in heat release rate and increase in fire hazard.
4. Summary of Test Method
4.1 This test method measures the response of materials, 5.2 Fire barriers are able to hinder the formation of a pool
products or layered assemblies to a range of radiant heat fire by delaying the generation and the release of flammable
intensities with or without an ignition source. liquid products.
E3367 − 23
5.3 This test method is intended to simulate the combustion steel and shall be type #10-32. The length of the screw shall be
of a central (that is, away from the edges) cross-section of a (h + t + 5) 6 5 mm, where h is the height of the selected liner,
single material or a multi-layered product with ignition occur- t is the total thickness of the top layered materials and bottom
ring on the top surface of the specimen. layered materials after being compressed in the specimen
holder.
5.4 The test method is designed to assess whether liquid
products are released during the test and the time at which they 6.8 The compression springs shall be made of stainless
are released. steel, 25 mm 6 1 mm long, with a spring constant of 1.28 N ⁄m
6 10 %. The spacer shall be a stainless steel tube with an
5.5 The test method is designed to assess whether dripping
outside diameter of 10.0 mm 6 0.5 mm, a wall thickness of
occurs during the test and the time at which it occurs.
0.25 mm 6 0.05 mm and a length of 15.0 mm 6 0.3 mm.
5.6 The test method is designed to assess whether bottom
Washers shall be flat, type #10 and made of stainless steel.
ignition occurs during the test and the time at which it occurs.
6.9 Details of the remainder components of the cone calo-
5.7 The test method is designed to assess whether pool
rimeter apparatus are found in the apparatus section of Test
ignition occurs during the test and the time at which it occurs.
Method E1354.
5.8 The test method is designed to assess whether burn-
7. Hazards
through occurs during the test and the time at which it occurs.
7.1 This test procedure involves high temperatures and
5.9 The test measures heat release rate, mass loss rate and
combustion processes. Therefore, hazards exist for burns,
the resulting smoke obscuration as a result of exposing the
ignition of extraneous objects or clothing, and for inhalation of
specimen to a radiant heat source.
combustion products. The operator shall use protective gloves
5.10 The test method assesses whether the components of
for insertion and removal of test specimens. Neither the cone
the specimen under examination demonstrates any of the
heater nor the associated fixtures shall be touched while hot,
following behaviors: breaking open, charring, appearance of
except with the use of protective gloves, and eye protection
superficial cracks without complete separation of the parts,
shall be worn.
melting, or shrinkage.
7.2 The exhaust system shall be checked for proper opera-
5.11 The test method does not assess flame spread and does
tion before testing and must discharge into a building exhaust
not account for other factors such as aging, wear and tear of a
system with adequate capacity. Provision shall be made for
product or vandalism.
collecting and venting any combustion products that are not
collected by the normal exhaust system of the apparatus.
6. Apparatus
8. Sampling and Test Specimen Preparation
6.1 This test method employs the same instrumentation
(oxygen consumption calorimeter) described in Test Method
8.1 Size and Preparation:
E1354 except for the specimen holder. The orientation of the
8.1.1 For each test specimen, one core shall be used. The
conical heater is horizontal.
test specimen shall be permitted to consist, additionally, of one
set of top layered materials and one set of bottom layered
6.2 The specimen holder for this test method shall consist of
materials.
the following main components: top retainer frame, liner, liner
8.1.2 A minimum of three identical test specimens shall be
insulation, bottom retainer frame, sample stage, catch pan,
prepared.
screws with compression springs, and ceramic felt.
8.1.3 Each optional layered material, if used, shall be
6.3 An optional top wire grid is used to prevent contact
125 mm 6 2 mm by 125 mm 6 2 mm.
between the top surface of the specimen and the spark igniter.
8.1.4 If the core is composed of rigid non-compressible
6.4 An exploded view of the specimen holder is shown in
materials, the core shall be a cuboid with a length of 100 mm
Fig. 1. Views with dimensions and materials adopted for the 6 2 mm, a width of 100 mm 6 2 mm and a thickness between
top retainer frame, bottom retainer frame, liner, sample stage
25 mm and 91 mm.
and wire grid are provided in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 8.1.5 If the core is composed of compressible materials like
6, and Fig. 7, respectively. loose fibers, the mass of the core shall be adjusted to match the
density in the end-use product with the selected liner thickness.
6.5 All dimensions given in the figures that are followed by
8.1.6 If the core is composed of compressible materials like
an asterisk are mandatory and shall be followed within nominal
a flexible foam, it shall be a cuboid with a length of 108 mm 6
tolerances of 61 mm, unless otherwise specified.
2 mm, a width of 108 mm 6 2 mm and a thickness between
6.6 The height of the liner shall be 25 mm to 91 mm, and it
25 mm and 108 mm.
is intended to match the thickness of the end-use product. In
8.1.7 A 112 mm 6 2 mm by 112 mm 6 2 mm piece of
the absence of further specifications, a liner height of either
ceramic felt shall be placed inside the center cavity of the
25 mm 6 1 mm, 51 mm 6 1 mm, or 91 mm 6 1 mm,
sample stage. The ceramic felt shall have a thickness of 3 mm
whichever is closest to the thickness of the end-use product, 3 3
6 0.5 mm, density of 130 kg ⁄m to 190 kg ⁄m and thermal
shall be used.
conductivity of 0.05 W ⁄m·K to 0.07 W ⁄m·K at 260 ºC.
6.7 Fig. 1 shows screws inserted into compression springs 8.1.8 A catch pan 112 mm 6 2 mm by 112 mm 6 2 mm in
and then into a spacer. The screws shall be made of stainless size shall be prepared from aluminum foil and placed over the
E3367 − 23
NOTE 1—All dimensions are in millimeters.
FIG. 1 Exploded View of Specimen Holder with a Selected Liner Height of 91 mm 6 1 mm
ceramic felt. Foil thickness shall be 0.01 mm to 0.02 mm. A 8.1.10 The liner insulation shall be constructed by cutting
catch pan depth of 10 mm 6 1 mm is recommended but it can four ceramic panels from a ceramic board. The ceramic panels
be increased for specimens in which the liquid products shall have dimensions of 107 mm 6 1 mm by (h – 2) 6 1 mm,
overflow the catch pan. where h is the height of the selected liner. The ceramic board
8.1.9 A mounting plate shall be used to assemble the shall have a nominal thickness of 6.3 mm to 6.4 mm, density of
3 3
specimen components when a flexible core material is used. 250 kg ⁄m to 260 kg ⁄m and a thermal conductivity of
The plate shall have dimensions of 100 mm 6 2 mm by 0.04 W ⁄m·K to 0.06 W ⁄m·K at 260 ºC.
100 mm 6 2 mm and a thickness of at least 3 mm. 8.1.11 The sample holder and specimen assembly
8.1.9.1 The mounting plate helps minimize sagging of the procedure, which is described below, starts with the top
bottom layered material when assembling the specimen with a component (top retainer frame) and ends with the bottom
flexible core. component (sample stage) (see Fig. 1).
E3367 − 23
NOTE 1—All dimensions are in millimeters.
FIG. 2 Top Retainer Frame (Stainless Steel)
8.1.12 Figures detailing the assembly procedure for speci- 8.1.17 Assemble the four ceramic panels to form the liner
mens with a non-compressible core or a compressible core are insulation inside the liner as shown in Fig. 1. Slide and center
shown in Annex A1. the liner insulation inside the liner.
8.1.13 Place the top retainer frame upside-down on the 8.1.18 Place the liner and liner insulation assembly over the
bench. top retainer frame. Center the liner over the top retainer frame.
8.1.14 If an optional wire grid is used, center the wire grid 8.1.19 Place the core inside the cavity formed by the liner
inside the top retainer frame. insulation. If the core is a compressible material like a flexible
8.1.15 If an optional top layered material is used, place the foam, the upward-facing side of the core shall be aligned with
top layered material inside the top retainer. the upward-facing edge of the liner, and the opposite side of the
8.1.16 If multiple top layered materials are used, stack them core shall lean about 20 mm to 25 mm from the downward-
inside the top retainer starting from the top layered material facing edge of the liner (see Fig. A1.19).
that shall be exposed on the top surface of the specimen, and 8.1.20 If an optional bottom layered material is used, place
ending with the top layered material that shall be in contact the bottom layered material on top of the core. Align the
with the core. corners of the bottom layered material with the corners of the
E3367 − 23
NOTE 1—All dimensions are in millimeters.
FIG. 3 Bottom Retainer Frame – Par 1 (Stainless Steel)
underlying top retainer frame and center the bottom layered material over the liner.
E3367 − 23
NOTE 1—All dimensions are in millimeters.
FIG. 4 Bottom Retainer Frame – Part 2 (Aluminum)
NOTE 1—All dimensions are in millimeters.
NOTE 2—The height h of the liner can vary between 25 mm 6 1 mm and 91 mm 6 1 mm.
FIG. 5 Liner (Stainless Steel) with a Selected Liner Height of 91 mm 6 1 mm
8.1.21 If multiple bottom layered materials are used, stack 8.1.24 When flexible bottom layered materials are used in
them over the core starting from the top layered material that
combination with a flexible core, place and center the mount-
shall be in contact with the core and ending with the top
ing plate on the bottom retainer frame. Align the corners of the
layered material that shall be exposed on the bottom surface of
mounting plate with the corners of the underlaying bottom
the specimen. Align and center the bottom layered materials
retainer frame and compress the flexible core by applying
over the core as described in 8.1.19.
pressure on the mounting plate. Keep applying pressure until
8.1.22 Place the bottom retainer frame on top of the core or
completion of 8.1.25.
the optional bottom layered materials. Align the corners of the
8.1.25 Insert and tighten the four screws in the threaded tabs
bottom retainer frame with the corners of the underlying top
of the top retainer frame. Keep slowly tightening each screw
retainer frame and center the bottom retainer frame over the
until the washers, the spacer, the screw head and the tab on the
liner.
top retainer frame are in contact with each other, and the spacer
8.1.23 Insert four screws with compression springs, spacers,
cannot freely rotate anymore. If a mounting place was used,
and washers (see Fig. 1) in the holes located on the four tabs of
remove it.
the bottom retainer frame.
E3367 − 23
NOTE 1—All dimensions are in millimeters.
FIG. 6 Sample Stage (Aluminum)
NOTE 1—All dimensions are in millimeters.
NOTE 2—Wire diameter 1.6 mm, weld all intersections.
FIG. 7 Wire Grid (Stainless Steel)
8.1.26 Ensure that the specimens are free of folds, creases, 8.1.28 Center the aluminum catch pan over the ceramic felt.
or wrinkles. 8.1.29 Move the sample holder and specimen assembly over
8.1.27 Place the ceramic felt inside the cavity in the sample the sample stage so that the four legs of the sample holder fit
stage (see Fig. 1). inside the four circular cavities on the sample stage.
E3367 − 23
8.2 Conditioning—Prior to testing, optional layered materi- 13. Report
als and core shall be conditioned at a temperature of 23 °C 6
13.1 Refer to Section 14 of Test Method E1354.
3 ºC and a relative humidity of 50 % 6 5 % for a minimum of
13.2 In addition to the information specified in Section 14 of
48 h before testing.
Test Method E1354, report the following information for each
9. Test Environment test.
13.2.1 Liner height h.
9.1 The apparatus shall be located in a draft-free environ-
13.2.2 Dimensions of core, top/bottom layered materials (if
ment in an atmosphere of relative humidity of between 20 %
any).
and 80 % and a temperature between 15 °C and 30 ºC.
13.2.3 Mass of the core and top/bottom layered materials (if
10. Calibration of Apparatus any) (all in g).
13.2.4 Details of the specimen prepara
...