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Rubber Antioxidant MBZ

Identification:

Chemical Name: Zinc salt of 2-mercaptobenzimidazole

Synonym: Zinc di(benzimidazol-2-yl) disulphide; Zinc mercaptobenzimidazole; Antioxidant zmb

CAS NO.: 3030-80-6
Structural Formula:

1.jpg

Molecular Formula: C14H10N4S2Zn

Properties: White powder. No smell but taste bitter. Soluble in acetone, alcohol, insoluble in benzene gasoline and water.

Specifications:

Item

Powder

Oiled powder

Appearance

White powder

Initial M.P. ℃ ≥

240.0

240.0

Loss on drying % ≤

1.50

1.50

Zinc content %

18.0-20.0

18.0-20.0

Residue on 150μm sieve % ≤

0.50

0.50


Application: A non-staining secondary antioxidant for NR, CR, EPR, SBR, NBR, etc. Especially effective against heat oxidation in combination with amine. Could be used alone or combined with the anti-degradants, such as DNR or AP. It has similar performances to Antioxidant MB, but it improve the shortcoming of Antioxidant MB.


Packing& Storage:

25kg plastic woven bag, paper with plastic film bag, kraft paper 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.