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Rubber Accelerator TBBS

Chemical NameN-tert-butyl-2-benzothiazole Sulfenamide

MolecularStructure

Molecular FormulaC11H14N2S2

MolecularWeight238

CAS# 95-31-8

SpecificationsGB/T 21840-2008

Item

Specifications

High grade

Appearance

White or light yellow powderor granular

Initial Melting Point,(℃)Min.

104.0

Final Melting Point (℃)Min.

107.0

Heat Loss (%)Max.

  1. 40

Ash,(%)Max.

  1. 40

Free amines(%)Max.

Methanol insolubles(%)Max.

Purity (%)Min

Residue on 150μm Sieve (%)Max.

  1. 10

PropertiesIts industrial product is light yellow tobrownpowder, the density is 1.26~1.32g/cm3, soluble in benzene, chloroform, carbon disulfide, acetone,methanol,alcohol, difficultly soluble in gasoline, insoluble in water, dilute acid and dilute alkali solution.

ApplicationsA delayed action accelerator of vulcanization for natural and synthetic rubber. The speed of vulcanization is similar toCBS’s, but it’s delaying is larger than the CBS.There is little pollution and the color is changeless. It can be used as rubber products of tyre.

Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

PackingCoextruded paper bags lined with polyethylene film bags. Net weight 25 kg per bag.



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