China Polyolefin pipes and GB Standards Search Result |
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1. Ready translated GB standards
and Chinese version GB Standards, you can purchase directly
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the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 13021-2023 Polyolefin pipes and fittings - Determination of carbon black content - Calcination and pyrolysis methods 聚烯烃管材和管件 炭黑含量的测定 煅烧和热解法 - 中英文版 |
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GB/T 18251-2019 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds 聚烯烃管材、管件和混配料中颜料或炭黑分散度的测定 - 中英文版 |
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GB/T 18251-2000 Method for the assessment of pigment or carbon black dispersion in polyolefin pipes，fittings and compounds 聚烯烃管材、管件和混配料中颜料或炭黑分散的测定方法 - 中英文版 |
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