ASTM C549-06(2012)
(Specification)Standard Specification for Perlite Loose Fill Insulation
Standard Specification for Perlite Loose Fill Insulation
ABSTRACT
This specification covers the standard for the composition and physical properties of expanded perlite loose fill insulation. This specification also covers the testing procedures used in determining the acceptability of the materials which deal primarily with material performance in the temperature range associated with the thermal envelope of buildings. This specification also covers the standard for surface-treated perlite proposed for use in dust suppression. Requirements for the insulation shall include conformance to standard of the following: bulk density, grading, thermal resistance, moisture absorption, combustibility, surface burning characteristics, and dust suppression.
SCOPE
1.1 This specification covers the composition and physical properties of expanded perlite loose fill insulation. The specification also includes the testing procedures by which the acceptability of the material is determined. These testing procedures deal primarily with material performance in the temperature range associated with the thermal envelope of buildings; however, the commercially usable temperature range for this insulation is from − 459 to 1400°F (1 to 1033 K). For specialized applications, refer to the manufacturer's instructions.
1.2 The specification also covers the composition and properties of perlite that has been surface-treated to produce dust suppression for installations where dust is a factor.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 When the installation or use of thermal insulation materials, accessories and systems, may pose safety or health problems, the manufacturer shall provide the user appropriate current information regarding any known problems associated with the recommended use of the company's products, and shall also recommend protective measures to be employed in their safe utilization. The user shall establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use. For additional precautionary statements, see Section 12.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation:C549 −06 (Reapproved 2012)
Standard Specification for
Perlite Loose Fill Insulation
This standard is issued under the fixed designation C549; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 2. Referenced Documents
2.1 ASTM Standards:
1.1 This specification covers the composition and physical
C136Test Method for Sieve Analysis of Fine and Coarse
properties of expanded perlite loose fill insulation. The speci-
Aggregates
fication also includes the testing procedures by which the
C168Terminology Relating to Thermal Insulation
acceptability of the material is determined. These testing
C177Test Method for Steady-State Heat Flux Measure-
procedures deal primarily with material performance in the
ments and Thermal Transmission Properties by Means of
temperature range associated with the thermal envelope of
the Guarded-Hot-Plate Apparatus
buildings; however, the commercially usable temperature
C390Practice for Sampling and Acceptance of Thermal
rangeforthisinsulationisfrom−459to1400°F(1to1033K).
Insulation Lots
For specialized applications, refer to the manufacturer’s in-
C518Test Method for Steady-State Thermal Transmission
structions.
Properties by Means of the Heat Flow Meter Apparatus
1.2 The specification also covers the composition and prop-
C520Test Methods for Density of Granular Loose Fill
erties of perlite that has been surface-treated to produce dust
Insulations
suppression for installations where dust is a factor.
E84Test Method for Surface Burning Characteristics of
Building Materials
1.3 The values stated in inch-pound units are to be regarded
E136Test Method for Behavior of Materials in a Vertical
as standard. The values given in parentheses are mathematical
Tube Furnace at 750°C
conversions to SI units that are provided for information only
E177Practice for Use of the Terms Precision and Bias in
and are not considered standard.
ASTM Test Methods
1.4 When the installation or use of thermal insulation
materials, accessories and systems, may pose safety or health 3. Terminology
problems, the manufacturer shall provide the user appropriate
3.1 Terms used in this specification are defined in Termi-
current information regarding any known problems associated
nology C168.
with the recommended use of the company’s products, and
shall also recommend protective measures to be employed in
4. Classification
their safe utilization. The user shall establish appropriate
4.1 Perlite loose fill insulation shall conform to the physical
safety and health practices and determine the applicability of
requirements of 7. Expanded perlite that has been treated to
regulatory requirements prior to use. For additional precau-
limit the amount of dust generated during application shall be
tionary statements, see Section 12.
identified on the product label.
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Ordering Information
responsibility of the user of this standard to establish appro-
5.1 All purchase orders shall designate the density of
priate safety and health practices and determine the applica-
insulation desired or require conformance with the properties
bility of regulatory limitations prior to use.
in 7.1. The purchase order shall designate surface-treated
product when desired.
This specification is under the jurisdiction of ASTM Committee C16 on
Thermal Insulation and is the direct responsibility of Subcommittee C16.23 on
Blanket and Loose Fill Insulation. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved March 1, 2012. Published July 2012. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1964. Last previous edition approved in 2006 as C549–06. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/C0549-06R12. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C549−06 (2012)
6. Materials and Manufacture Bunsen burner for about 20 s. Sparking or ignition indicates
failure to conform to the requirements of 7.1
6.1 Perlite is a generic term for a naturally occurring
9.3.4 Precision and Bias—No statement is made about
siliceous mineral which is mined, crushed, sieved and dried to
either the precision or the accuracy of the small-scale fire test
produce a crude perlite ore. The crude ore, in the form of
for determining resistance of the perlite insulation to heat and
particles of varying size, weighing 60 to 75 lb/ft (960 to 1200
flame since the result merely states whether there is confor-
kg/m ), is expanded in high-temperature furnaces to densities
3 3 mance to the criteria for success specified in the procedure.
in the range from 2.0 to 11.0 lb/ft (32 to 176 kg/m ). As a
naturally occurring mineral, it is classified as an elementary 9.4 Thermal Resistance—Tests of thermal resistance shall
building material. It is noncombustible as determined by Test
be determined in accordance with Test Method C177 or C518.
Method E136. Testing shall be done at the design density and representative
thickness. The arithmetic average thermal resistance of four
7. Physical Requirements
specimens shall exceed 95% the value in Table 1. The thermal
resistance (R-value) shall be determined at mean temperature
7.1 The physical requirements listed in this section are
of75 61°F(24 60.5°C)andatemperaturedifferenceof40°F
defined as inspection requirements (see Practice C390). The
(22°C) . Report the direction of heat flow. Thermal resistance
insulation shall conform to the following requirements:
at other mean temperatures may be determined if required.
3 3
Bulk density, lb/ft (kg/m ) 2–11 (32–176)
9.5 Moisture Absorption—The test specimen shall be 0.11
Grading (particle size):
60.05lb(50 623g)ofproduct.Fillandleveltheproductinto
Percentage retained, maximum (by 5
weight), Sieve No. 4 (4.75 mm), % a specimen holder 9 by 9 by 5 60.1 in. (228 by 228 by 127
Small-scale fire test no sparking or
63 mm) deep.
ignition
9.5.1 Precondition in accordance withTest Method C177 or
7.2 The physical requirements listed in this section are
C518. Conditioning shall be with minimum air movement
defined as Qualification Requirements (see Practice C390).
across the specimen surface. Condition at 50 6 2% relative
The insulation shall conform to the following requirements:
humidity and 120 6 2°F (49 6 1°C) to constant weight and
record. State the density of the specimen conditioned to
2 2
Thermal resistance, h·ft ·°F/Btu (m ·K/W) See Table 1
constant weight in the report of results.
Moisture absorption, weight % ⁄ 14 days, max, % 1.0
9.5.2 Increase the relative humidity to 90 6 2%. Condition
Combustibility (by Test Method E136) noncombustible
to constant weight by weighing at 24-h intervals. Determine
Surface burning characteristics:
Flame spread, max 0 25
the moisture pickup as a percent of conditioned weight
Smoke developed, max 0 50
determined in 9.5.1 at 50 6 2% relative humidity and 120 6
Dust suppression: (for surface treated
2°F (49 6 1°C).
product)
Weight of collected material, max, mg 85
9.5.3 Precision and Bias—This test establishes a typical
property of perlite. It is an inherent characteristic. It is only
8. Sampling
intended to indicate sorption under high humidity conditions
8.1 For purposes of standard tests, sampling shall be in whichareknowntobecharacteristicofitsusualinsulationend
accordance with Practice C390.
use.
9.6 Surf
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