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CAS NO: 120-78-5 
Quality standard (GB/T11408-2013) 

Item	Top-grade	First grade	Qualified product
Appearance	white or yellowish powder, granular
Initial Melting point, ℃≥	170.0	166.0	162.0
Loss on heat, % ≤	0.30	0.40	0.50
Ash, % ≤	0.30	0.50	0.70
Residue on screen(149um), % ≤	0.0	0.1	0.1

(note: Residue on screen only for powder ) 
Properties: white or light yellow powder with slight bitter taste, Density 1.45-1.54, soluble in chloroform, partly soluble in benzene, ethanol, carbon tetrachloride, insoluble in gasoline, water and ethyl ethanol, and stable under storing conditions.
Application: used in tyre, rubber pipe, rubber shoes, rubber tape. 
Package: plastic woven bag or paper-plastic laminated bag, 20kg/bag.

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