ASTM C864 PDF

This part applies to Chloroprene, Butyl, halobutyl, ethylene propylene EPDM , chlorosulphonated polyethylene and silicone rubbers used in the gaskets. It is related particularly to gaskets of the lock-strip type. However, this standard does not give the material requirements for gaskets used for sealing glazing and panels, which are the subject of ISO 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.

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This part applies to Chloroprene, Butyl, halobutyl, ethylene propylene EPDM , chlorosulphonated polyethylene and silicone rubbers used in the gaskets. It is related particularly to gaskets of the lock-strip type. However, this standard does not give the material requirements for gaskets used for sealing glazing and panels, which are the subject of ISO 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. The standard consists of two parts, whereby Part 1 describes the requirements for non-cellular gaskets and Part 2 specifies the requirements for cellular elastomer gaskets.

Part 2 of the standard is currently under preparation. Gaskets shall be manufactured from an ozone-resistant compound and shall not be dependent for ozone resistance on surface protection which can be removed by abrasion, detergents, or other means. The tensile strength test and elongation test shall be performed to meet the requirements prescribed. Tear resistance test, hardness test, compression test, brittleness temperature test, ozone resistance test, heat aging effect test, flame propagation test, and lip pressure test shall be performed to meet the requirements prescribed.

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Akigor Astmm and Manufacture 4. 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. This specification covers preformed dense elastomeric compression gaskets and accessories for use in sealing and glazing applications. This specification has two options: This abstract is a brief summary of the referenced wstm. These materials are generally used to seal or serve as components of compression sealing systems between mechanically restrained surfaces in building constructions. Seals and Gaskets for Window.

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