T/CPCIF 0067-2020 Rubber vulcanization accelerator, 2-mercaptan benzothiazole (MBT) by-product
T/CPCIF 0067-2020 Rubber vulcanization accelerator, 2-mercaptan benzothiazole (MBT) by-product
Basic Information
Scope
Scope: This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage for the by-products of rubber vulcanization accelerator 2-mercaptobenzothiazole (MBT). This document applies to the by-products produced during the synthesis of MBT (main active ingredients: 2-mercaptobenzothiazole, anilinobenzothiazole, methylthiobenzothiazole, benzothiazole, and a small amount of sulfur), which are produced after processing by steam stripping, granulation/slicing, etc. Main technical contents: Project indicators: - Appearance: Gray-black to black granules or flakes - Softening point, °C: 65–105 - Density, g/cm3: 1.2–1.7 - Ash content, w/w: ≤3.0 - Heating loss, w/w: ≤0.5 - Sulphur content, w/w: 35–45 - Aniline content, w/w: <2.0