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ASTM C1685-15(2021)

(Specification)

Standard Specification for Pneumatically Applied High-Temperature Fiber Thermal Insulation for Industrial Applications

Standard Specification for Pneumatically Applied High-Temperature Fiber Thermal Insulation for Industrial Applications

SCOPE
1.1 This specification covers the composition, thermal performance, sound absorption performance, and physical properties of high-temperature fiber thermal insulation for use at temperatures from ambient to 3000°F (1649°C).  
1.2 The dry, loose high-temperature fibers shall be pneumatically conveyed to a chamber where they are mixed with a water-based chemical binder and then conveyed to a nozzle.  
1.3 The pneumatically applied, high-temperature fiber insulation is intended for use in industrial applications on flat, or nearly flat, surfaces. It is not intended for use on pipes.  
1.4 This specification addresses the use performance of this material in both thermal and acoustical applications.  
1.5 This specification does not address the requirements for fire-resistive insulation, but it does not preclude this material’s use in that capacity.  
1.6 This is a material specification only and is not intended to cover methods of application that are provided by the manufacturer.  
1.7 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.  
1.8 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.9 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.

General Information

Status
Published
Publication Date
28-Feb-2021
ICS
27.220 - Heat recovery. Thermal insulation
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.23 - Blanket and Loose Fill Insulation
Current Stage
Ref Project

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ASTM C1685-15(2021) - Standard Specification for Pneumatically Applied High-Temperature Fiber Thermal Insulation for Industrial ApplicationsASTM C1685-15(2021) - Standard Specification for Pneumatically Applied High-Temperature Fiber Thermal Insulation for Industrial Applications
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ASTM C1685-15(2021) - Standard Specification for Pneumatically Applied High-Temperature Fiber Thermal Insulation for Industrial Applications
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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:C1685 −15 (Reapproved 2021)
Standard Specification for
Pneumatically Applied High-Temperature Fiber Thermal
1
Insulation for Industrial Applications
This standard is issued under the fixed designation C1685; 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 2. Referenced Documents
2
1.1 This specification covers the composition, thermal 2.1 ASTM Standards:
performance, sound absorption performance, and physical C71 Terminology Relating to Refractories
properties of high-temperature fiber thermal insulation for use C133 Test Methods for Cold Crushing Strength and Modu-
at temperatures from ambient to 3000°F (1649°C). lus of Rupture of Refractories
C165 Test Method for Measuring Compressive Properties of
1.2 The dry, loose high-temperature fibers shall be pneu-
Thermal Insulations
matically conveyed to a chamber where they are mixed with a
C168 Terminology Relating to Thermal Insulation
water-based chemical binder and then conveyed to a nozzle.
C177 Test Method for Steady-State Heat Flux Measure-
1.3 The pneumatically applied, high-temperature fiber insu-
ments and Thermal Transmission Properties by Means of
lation is intended for use in industrial applications on flat, or
the Guarded-Hot-Plate Apparatus
nearly flat, surfaces. It is not intended for use on pipes.
C201 Test Method for Thermal Conductivity of Refractories
1.4 This specification addresses the use performance of this C356 Test Method for Linear Shrinkage of Preformed High-
Temperature Thermal Insulation Subjected to Soaking
material in both thermal and acoustical applications.
Heat
1.5 This specification does not address the requirements for
C390 Practice for Sampling and Acceptance of Thermal
fire-resistive insulation, but it does not preclude this material’s
Insulation Lots
use in that capacity.
C411 Test Method for Hot-Surface Performance of High-
1.6 This is a material specification only and is not intended
Temperature Thermal Insulation
to cover methods of application that are provided by the
C423 Test Method for SoundAbsorption and SoundAbsorp-
manufacturer.
tion Coefficients by the Reverberation Room Method
C447 Practice for Estimating the Maximum Use Tempera-
1.7 The values stated in inch-pound units are to be regarded
ture of Thermal Insulations
as standard. The values given in parentheses are mathematical
C665 Specification for Mineral-Fiber Blanket Thermal Insu-
conversions to SI units that are provided for information only
lation for Light Frame Construction and Manufactured
and are not considered standard.
Housing
1.8 This standard does not purport to address all of the
C795 Specification for Thermal Insulation for Use in Con-
safety concerns, if any, associated with its use. It is the
tact with Austenitic Stainless Steel
responsibility of the user of this standard to establish appro-
C1045 Practice for Calculating Thermal Transmission Prop-
priate safety, health, and environmental practices and deter-
erties Under Steady-State Conditions
mine the applicability of regulatory limitations prior to use.
C1104/C1104M Test Method for Determining the Water
1.9 This international standard was developed in accor-
Vapor Sorption of Unfaced Mineral Fiber Insulation
dance with internationally recognized principles on standard-
C1113 Test Method for Thermal Conductivity of Refracto-
ization established in the Decision on Principles for the
ries by Hot Wire (Platinum Resistance Thermometer
Development of International Standards, Guides and Recom-
Technique)
mendations issued by the World Trade Organization Technical
E84 Test Method for Surface Burning Characteristics of
Barriers to Trade (TBT) Committee.
Building Materials
1
This specification is under the jurisdiction of ASTM Committee C16 on
Thermal Insulation and is the direct responsibility of Subcommittee C16.23 on
2
Blanket and Loose Fill Insulation. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved March 1, 2021. Published April 2021. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2008. Last previous edition approved in 2015 as C1685 – 15. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/C1685-15R21. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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Standard Test Method for Parting Strength of Mineral Fiber Batt- and Blanket-Type Insulation

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1.1 This test method covers evaluation of strength in tension on mineral fiber batt- and blanket-type insulation products. It is useful for determining the comparative tensile properties of these products, specimens of which cannot be held by the more conventional clamp-type grips. This is a quality control method, and the results shall not be used for design purposes. It is not suitable for board-type products.  
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5.1 Manufacturers of thermal insulation express the performance of their products in charts and tables showing heat gain or loss per unit surface area or unit length of pipe. This data is presented for typical insulation thicknesses, operating temperatures, surface orientations (facing up, down, horizontal, vertical), and in the case of pipes, different pipe sizes. The exterior surface temperature of the insulation is often shown to provide information on personnel protection or surface condensation. However, additional information on effects of wind velocity, jacket emittance, ambient conditions and other influential parameters may also be required to properly select an insulation system. Due to the large number of combinations of size, temperature, humidity, thickness, jacket properties, surface emittance, orientation, and ambient conditions, it is not practical to publish data for each possible case, Refs (7,8).  
5.2 Users of thermal insulation faced with the problem of designing large thermal insulation systems encounter substantial engineering cost to obtain the required information. This cost can be substantially reduced by the use of accurate engineering data tables, or available computer analysis tools, or both. The use of this practice by both manufacturers and users of thermal insulation will provide standardized engineering data of sufficient accuracy for predicting thermal insulation system performance. However, it is important to note that the accuracy of results is extremely dependent on the accuracy of the input data. Certain applications may need specific data to produce meaningful results.  
5.3 The use of analysis procedures described in this practice can also apply to designed or existing systems. In the rectangular coordinate system, Practice C680 can be applied to heat flows normal to flat, horizontal or vertical surfaces for all types of enclosures, such as boilers, furnaces, refrigerated chambers and building envelopes. In the cylindrical c...
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1.1 This practice provides the algorithms and calculation methodologies for predicting the heat loss or gain and surface temperatures of certain thermal insulation systems that can attain one dimensional, steady- or quasi-steady-state heat transfer conditions in field operations.  
1.2 This practice is based on the assumption that the thermal insulation systems can be well defined in rectangular, cylindrical or spherical coordinate systems and that the insulation systems are composed of homogeneous, uniformly dimensioned materials that reduce heat flow between two different temperature conditions.  
1.3 Qualified personnel familiar with insulation-systems design and analysis should resolve the applicability of the methodologies to real systems. The range and quality of the physical and thermal property data of the materials comprising the thermal insulation system limit the calculation accuracy. Persons using this practice must have a knowledge of the practical application of heat transfer theory relating to thermal insulation materials and systems.  
1.4 The computer program that can be generated from the algorithms and computational methodologies defined in this practice is described in Section 7 of this practice. The computer program is intended for flat slab, pipe and hollow sphere insulation systems.  
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Standard Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and Tubing

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4.1 The purpose of this practice is to ensure satisfactory fit on standard sizes, to accommodate radial expansion of pipes and tubes which are heated after being insulated, and to minimize the number of insulation sizes and thicknesses to be manufactured and stocked.  
4.2 While it is possible to manufacturer insulation to these recommended dimensions, exercise care in attempting to nest layers of different materials, or layers supplied by different manufacturers. Individual manufacturing processes will operate at slightly different tolerances. While the product will fit the pipe, it is possible that it will not readily nest as the outer layer between the different materials, or with a different manufacturer, and possibly the same manufacturer. Exercise care to determine these differences before specifying or ordering nesting sizes.  
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4.4 Dimensions in accordance with this practice do not necessarily permit application of one thickness of pipe insulation over another (Nesting or Simplified Dimensional System) to obtain total thicknesses greater than those manufactured as single layer, or for multilayer application when desired.  
FIG. 3 Hinged Section Measurement Location
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