This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation and storage of silane coupling agents that are mixtures of bis-[propyltriethoxysilane]-tetrasulfide and silica. This standard applies to silane coupling agents compounded of bis-[propyltriethoxysilane]-tetrasulfide and silica.
HG/T 3743-2004 history
2004HG/T 3743-2004 The mixture of bis (triethoxysilpropyl) tetrasulfide and white carbon black silane coupling agent