一级黄色在线_亚洲国产丝袜精品一区_亚洲综合爱_手机在线精品视频_国产成人精品三级在线影院_久久草av_中文无码人妻影音先锋_伊人久色_麻豆一区二区99久久久久_天堂久久网_亚洲综合网站精品一区二区_色狠av

Chemical name: Tetramethylthiuram disulfide 
Molecular formula : C₆H₁₂N₂S₄
Structure Formula : 

CAS NO:137-26-8 
Quality standard(HG/T2334-2007)

Index name	Index
	First grade	Qualified product
Appearance(eye)	white, light gray powder or granule
Initial Melting point, ℃≥	142.0	140.0
Loss on heat, % ≤	0.40	0.50
Ash, % ≤	0.30	0.40
Residue on screen(149um), % ≤	0.0	0.1

(Note: Residue on screen only for powder)
Properties: white powder, non-smell, Density 1.40-1.45, soluble in benzene, acetone, chloroform; slightly soluble in ethanol, insoluble in water; 
Application: Vulcanization accelerator of rubber, or used as bactericide and insecticide
Package: plastic woven bag or paper-plastic laminated bag, 25kg/bag.

  Previous product： Vulcanization accelerator M (MBT)