Rubber accelerator DPTU (CA)

　　Chemical name: N,N’-diphenylthiourea

　　CAS: 102-08-9

　　Molecular formula: C13H12N2S

　　Molecular weight: 474.1

　　Appearance (visual inspection): white or off-white powder

　　Initial melting point, ℃≥152.0

　　Heating loss, %≤0.30

　　Ash content, %≤0.30

　　Sieve residue (150μm), %≤0.50

　　Properties: White or off-white powder, molecular weight 228.30, relative density 1.27-1.33, soluble in dimethylformamide, acetone, slightly soluble in benzene, carbon disulfide, chloroform, insoluble in xylene, carbon tetrachloride, alcohol and water.

　　Uses: This product is a medium-speed vulcanization accelerator, suitable for natural rubber, neoprene rubber, styrene-butadiene rubber, nitrile rubber, etc. When used with sulfur donors in natural rubber and styrene-butadiene rubber, it can shorten the vulcanization time and improve vulcanization The durability of the rubber, without frosting, can be used as a second accelerator in the natural vulcanization of neoprene rubber and the curing system of EPDM rubber. This product is not suitable for food contact products. Mainly used in latex products, wire and cable, water tires and general industrial products.

　　Packing: composite paper bag lined with plastic film bag, net weight 25 kg.