GB/T 21840-2008 (English Version) Vulcanizing accelerator TBBS

Standard No.: GB/T 21840-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21840-2008

Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of N-tert-butyl-2-benzothiazole sulfenamide (vulcanization accelerator TBBS). This standard applies to vulcanization accelerator TBBS made from tert-butylamine and vulcanization accelerator MBT through oxidation. Chemical name: N-tert-butyl-2-benzothiazole sulfenamide Molecular formula: C₁₁H₁₄N₂S₂ Relative molecular mass of structural formula: 238.37( According to the international relative atomic mass in 2005)

GB/T 21840-2008 Referenced Document

GB/T 11409.1 Test method of fusion point for rubber antiagers and vulcanizing accelerators
GB/T 11409.4 Test method of weight loss on heating for rubber antiager and vulcanizing accelerators
GB/T 11409.5-1989 Test method of residue on sieve for rubber anriager and vulcanizing accelerators
GB/T 11409.7 Test method of ash for rubber antiager and vulcanizing accelerators
GB/T 1250 Rules for expression and judgement of limiting values
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*， 2022-10-12 Update
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
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GB/T 6679 General rules for sampling solid chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods