ASTM C1685 - 08

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

    Active Standard ASTM C1685 | Developed by Subcommittee: C16.23

    Book of Standards Volume: 04.06


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    1. Scope

    1.1 This specification covers the composition, thermal 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 nozzle where they are mixed with a water-based chemical binder.

    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 does not address the requirements for fire-resistive insulation, but it does not preclude this materials use in that capacity.

    1.5 This is a material specification only and is not intended to cover methods of application that are provided by the manufacturer.

    1.6 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.

    1.7 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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C71 Terminology Relating to Refractories

    C165 Test Method for Measuring Compressive Properties of Thermal Insulations

    C168 Terminology Relating to Thermal Insulation

    C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus

    C201 Test Method for Thermal Conductivity of Refractories

    C356 Test Method for Linear Shrinkage of Preformed High-Temperature Thermal Insulation Subjected to Soaking Heat

    C390 Practice for Sampling and Acceptance of Thermal Insulation Lots

    C411 Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation

    C447 Practice for Estimating the Maximum Use Temperature of Thermal Insulations

    C665 Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing

    C795 Specification for Thermal Insulation for Use in Contact with Austenitic Stainless Steel

    C1045 Practice for Calculating Thermal Transmission Properties Under Steady-State Conditions

    C1104/C1104M Test Method for Determining the Water Vapor Sorption of Unfaced Mineral Fiber Insulation

    C1113 Test Method for Thermal Conductivity of Refractories by Hot Wire (Platinum Resistance Thermometer Technique)

    E84 Test Method for Surface Burning Characteristics of Building Materials

    E136 Test Method for Behavior of Materials in a Vertical Tube Furnace at 750C

    E605 Test Methods for Thickness and Density of Sprayed Fire-Resistive Material (SFRM) Applied to Structural Members

    E2231 Practice for Specimen Preparation and Mounting of Pipe and Duct Insulation Materials to Assess Surface Burning Characteristics


    ICS Code

    ICS Number Code 27.220 (Heat recovery. Thermal insulation)

    UNSPSC Code

    UNSPSC Code 30141500(Thermal insulation)


    DOI: 10.1520/C1685-08

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