GB/T 41487-2022 Translated English of Chinese Standard (GB/T41487-2022, GBT 41487-2022): Composite sealing gasket material
https://www.chinesestandard.net, 2022 M08 21 - 15 pages
This document specifies the classification and marking, requirements, test methods, inspection rules and marks, packaging, transportation, and storage of composite sealing gasket materials. This document applies to the non-metallic materials (excluding materials containing asbestos) that are compounded on both sides of the metal core material for making the sealing gasket. This document does not apply to multi-layer composite non-metallic materials of metal rubber sheets and metal core materials.
according to formula accuracy accurate addition asbestos-free metal aging Allowable deviation Appearance changes Appearance quality arithmetic mean asbestos-free metal clad ASTM fuel oil beater addition asbestos-free carried out according changes after immersion clad truss plate composite sealing gasket conditioning according cool corrosion No stripping Cut 3 samples distilled water document Dryer edge Electric drying oven falling off 15 flexible graphite metal foaming or falling grams g graphite metal clad immersion in liquid impregnation in ASTM length and width liquid Thickening rate loss on heating mark measure the thickness meet the requirements metal clad plate Metal clad truss millimeters performance after impregnation Performance requirements production provisions of GB/T Rebound rate requirements in Table rolled asbestos-free metal rounded sealing gasket materials Standard Stripping performance surface Take the arithmetic temperature test methods Test procedure test result thickness change rate Type inspection Weigh the mass Weight gain rate Weight loss