Thiazoles--Rubber Accelerator MBTS(DM

Specifications Rubber Accelerator MBTS(DM)

white powder,granule

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Chemical Name:Dibenzothiazole disulfide

Molecular Formula:C14H8N2S4


Molecular Weight:332.50

CAS NO:120-78-5

Specification:  

Item	Powder	Oiled powder	Granule
Appearance (visual inspection)	Gray-white or light yellow powder(granule)
Initial M.P. oC≥	166.0	166.0	166.0
heating loss %≤	0.40	0.40	0.40
Ash%≤	0.40	0.40	0.40
Residues on sieve(150μm), % ≤	0.10	0.10	\
Residues on sieve(63μm), % ≤	0.50	0.50	\
Oil content, %	\	1.0-2.0	\
Granule diameter, mm	\	\	1.5-2.5

  Properties:Gray-white or light yellow powder(granule) with a little bitter, no poison. The density is 1.45-1.54, m.p.: 166oC. Soluble in chloroform, partly soluble in benzene, ethanol, CCl4, insoluble in gasoline, water and ethyl acetate. Good storage stability. Application:MBTS has medium curing rate in NR and SR; suitable for most general rubbers; Used as plasticizer and delay agent in chloroprene rubber. It is usually used together with secondary accelerator in the synthesis of polymers; has better scorch safety than MBT.

Packing:20/25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag

Storage:The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 years.