ASTM F479绝缘涂层在使用中维护的标准使用规范
日期:2012-02-08 11:14
ASTM F479 Standard Specification for In-Service Care of Insulating Blankets
ASTM F479绝缘涂层在使用中维护的标准使用规范
This specification covers elastomeric seals (gaskets) used to seal the joints of plastic pipe used for gravity, low-pressure, and high-pressure applications. This refers to push-on joints which require no internal or external pressure to effect the initial seal. Tensile strength, elongation, hardness, compression set, accelerated aging, water immersion, ozone resistance, and fo
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