China Acetylene black—Part GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send 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 .


	GB/T 3781.6-2019 Acetylene black—Part 6：Determination of apparent specific volume 乙炔炭黑第6部分：视比容的测定 - 英文版
	GB/T 3781.5-2019 Acetylene black—Part 5:Determination of grit content 乙炔炭黑第5部分：粗粒分的测定 - 英文版

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