Views:0 Author:Site Editor Publish Time: 2021-07-08 Origin:Site
Recently, it was learned from the Chemical Auxiliary Standards Committee of the National Rubber Standards Committee that the three industry standards drafted by Hebi Yuanhao Chemical Co., Ltd. were implemented on July 1, 2021. The products involved are the vulcanization accelerator DDTS (MPTD ), ZBPD (ZDBP), ZDTP (ZEHBP).
1st.Standards are as follows
① Standard number: HG/T 5833-2021, standard name: "Vulcanization accelerator N,N'-dimethyl-N,N'-diphenylthiuram disulphide (MPTD)"
② Standard number: HG/T 5834-2021, standard name: "Vulcanization accelerator Zinc O, O, O', O'-tetrabutyl bis(phosphorodithioate) (ZDBP)"
③ Standard number: HG/T 5835-2021, standard name: "Vulcanization accelerator Zinc Dialkylphosphorodithiloate (ZEHBP)"
2nd. Standards scope
These standards specify the technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of the vulcanization accelerator MPTD, vulcanization accelerator ZDBP, and vulcanization accelerator ZEHBP.