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Rubber Accelerator MBTS(DM)
Identification:
Chemical Name: Mercaptobenzothiazole disulfide
Synonym: 2-Mercaptobenzothiazole disulfide; Accelerator (DM); Accel TM;
CAS NO.: 120-78-5
Structural Formula:
Molecular Formula: C14H8N2S4
Properties: Gray-white or light yellow powder (granule) with a little bitter, no poison. The density is 1.45-1.54 166℃ Soluble in chloroform, partly soluble in benzene, ethanol, CCl4, insoluble in gasoline, water and ethyl acetate. Good storage stability.
Specifications:
Item | Powder | Oiled powder | Granule |
Appearance | Gray-white or light yellow powder(granule) | ||
Initial M.P. ℃ ≥ | 170.0 | 170.0 | 170.0 |
Loss on drying % ≤ | 0.30 | 0.50 | 0.30 |
Ash % ≤ | 0.30 | 0.30 | 0.30 |
Residue on 150μm sieve % ≤ | 0.10 | 0.10 | \ |
Granule Diameter mm | \ | \ | 1.50 |
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 Storage:
20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
Stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 years.