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ASTM C864-05(2011)

ASTM C864-05(2011)

Standard Specification for Dense Elastomeric Compression Seal Gaskets, Setting Blocks, and Spacers

Fecha:
2015-12-11 /Historical
Superseeded by:
Abstract:

This specification covers preformed dense elastomeric compression gaskets and accessories for use in sealing and glazing applications. These materials are generally used to seal or serve as components of compression sealing systems between mechanically restrained surfaces in building constructions. The elastomeric materials shall be manufactured from a high-quality ozone-resistant compound that, when properly cured, will comply to the requirements specified. The cured compound shall be suitable for use where resistance to sunlight, weathering, oxidation, and permanent deformation under load are of prime importance. The preformed gaskets or shapes shall be free of porosity, surface defects, and dimensional irregularities that may affect serviceability. The specimens shall be subjected to the following test methods: hardness test, compression set test, ozone resistance test, tensile strength test, elongation test, heat aging test, tear strength test, brittleness temperature test, non-staining test, and flame propagation test.

Significance and Use:

Flame Propagation:

This specification has two options:

Option IFlame propagation test is required.

Option IIFlame propagation test is not required.

In case no option is specified, Option I will apply.

Scope:

1.1 This specification covers preformed dense elastomeric compression gaskets and accessories for use in sealing and glazing applications. These materials are generally used to seal or serve as components of compression sealing systems between mechanically restrained surfaces in building constructions.

1.2 Test Method C1166, as referenced in this specification, should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use.

1.3 The following precautionary statement pertains only to the test method portion, Section 9, of this specification: 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.

1.4 The committee with jurisdiction over this standard is not aware of any comparable standards published by other organizations.

Keywords:
compression; dense; elastomer; elastomeric; gasket; glazing; preformed; seal; setting block; spacers; Spacers; Compression seals--specifications; Dense elastomeric gaskets; Elastomeric seals/sealants--specifications; Fire testing--gaskets; Flammability--gaskets; Gaskets--specifications; Glazing compounds/applications--specifications; Preformed elastomeric gaskets; Sealants--specifications; Setting blocks
48,12
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