GB/T 21184-2007 (English Version) PDF

Standard No.: GB/T 21184-2007
Language: Chinese, Available in English version
Release Date: 2007
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21184-2007

Scope: WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. The user is responsible for taking appropriate safety and health measures, and ensuring compliance with the conditions stipulated in the relevant national laws and regulations. Test method for purity and dry sieving residue This standard applies to the determination of sulfenamide accelerators: sulfenamides for primary amides (type I), sulfenamides for unhindered secondary amides (type II), and sulphenamides for hindered secondary amides Sulfonamide (type 11I) R is cyclohexyl, tert-butyl, diisopropyl, dicyclohexyl, dioxyethylene; x is 1 or 2. Molecular formula abbreviated

GB/T 21184-2007 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 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 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
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6678 General principles for sampling chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods*， 2008-05-15 Update
GB/T 9725 Chemiaal reagent.General rule for potentiometric titration

2007 GB/T 21184-2007 Rubber compounding ingredienets-Sulfenamide accelerators Test methods