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ASTM C1594-23
Standard Specification for Polyimide Rigid Cellular Thermal Insulation
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STANDARD published on 1.3.2023
The information about the standard:
Designation standards: ASTM C1594-23
Publication date standards: 1.3.2023
SKU: NS-1140798
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM C1594-23 :
This specification establishes the composition and physical properties of rigid polyimide cellular foams intended for use as thermal and sound-isolating insulation in commercial and industrial environments. The polyimide insulations covered are classified into three types (Types I, II, and III) according to closed cell content, and into four grades (Grades 1, 2, 3, and 4) according to density. Type II insulation is further divided into two classes (Classes 1 and 2) according to upper temperature limits. Materials shall be manufactured from the appropriate monomers and necessary ingredients. Specimens shall be sampled, tested, and conform accordingly to the following physical property requirements: apparent thermal conductivity; water and gas permeability; density; percent closed cell; upper temperature limit; high temperature stability; compressive strength; compressive force deflection; water vapor transmission; steam aging characteristics (tensile strength, dimensional and weight changes), corrosiveness; chemical resistance; vertical burn characteristics (flame application and time, burn length, and dripping); specific optical smoke density for both flaming and non-flaming exposures; toxic smoke generation; surface burning characteristics (flame spread and smoke developed indices); combustion by-products (carbon monoxide, hydrogen fluoride, hydrogen chloride, nitrogen oxides, sulfur dioxide, and hydrogen cyanide); oxygen index, and 14 scale room burn.
Keywords:
cellular insulation, closed cell, pipe insulation, polyimide, ship insulation, thermal insulation, thermal protection systems,, ICS Number Code 83.100 (Cellular materials),91.120.10 (Thermal insulation of buildings)
Additional information
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1?This specification covers the composition and physical properties of polyimide foam insulation with nominal densities from 1.0 lb/ft3 to 8.0 lb/ft3 (16 kg/m3 to 128 kg/m3) and intended for use as thermal and sound-isolating insulation for temperatures from ?423?F to +600?F (?253?C to +316?C) in commercial and industrial environments. 1.1.1?The annex shall apply to this specification for marine applications. 1.1.2?This standard is designed as a material specification and not a design document. 1.1.3?The values stated in Table 1 and Table 2 are not to be used as design values. It is the buyers responsibility to specify design requirements and obtain supporting documentation from the material supplier. Note 1:?The subject matter of this material specification is
not covered by any other ASTM specification. There is no known ISO
standard covering the subject of this standard.
1.2?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. 1.3?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. 1.4?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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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