HENAN RTENZA Rubber Antioxidant MB(MBI) CAS NO.583-39-1
Short Description:
| RUBBER ANTIOXIDANT | RTENZA MB (MBI) |
| Chemical Name | 2-Mercaptobenzimidazole |
| Molecular Formula | C7H6N4S |
| Molecular Structure |  |
| Molecular Weight | 150.16 |
| CAS No. | 583-39-1 |
Specification
| Item |
Powder |
Oiled Powder |
Granular |
| Appearance |
White Powder(Granular) |
||
| Initial Melting Point,℃ ≥ |
290.0 |
290.0 |
290.0 |
| Loss on Drying, % ≤ |
0.30 |
0.50 |
0.30 |
| Ash, % ≤ |
0.30 |
0.30 |
0.30 |
| Residue on 150μm Sieve, % ≤ |
0.10 |
0.10 |
\ |
| Residue on 63μm Sieve, % ≤ |
0.50 |
0.50 |
\ |
| Additive, % |
\ |
0.1-2.0 |
\ |
| Granular Diameter, mm |
\ |
\ |
2.50 |
Properties
White powder. No smell but taste bitter. The density is 1.42. Soluble in alcohol, acetone, ethyl acetate, slightly soluble in petroleum ether, CH2Cl2, insoluble in CCl4, benzene and water. Good stabilization storage ability. As second antioxidant without posion.
Application
A non-staining secondary antioxidant for NR, CR, SBR, NBR and EPR etc. Especially effective against heat oxidation in combination with amine.
Package
25kg kraft paper 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.
Related information extension
1.Mainly used in synthetic rubber, cis-1,4-polybutadiene rubber, styrene butadiene rubber, nitrile rubber, latex, etc.
2.Antioxidant MB is a major non polluting antioxidant in the rubber industry, which can reduce the discoloration of rubber during vulcanization, Effective in preventing air aging of rubber. This product is suitable for making transparent, white and colorful products, heat-resistant and foam products. It does not change color and is not polluted. Commonly used in wires, cables, transparent light colored products, and also as a heat stabilizer for polyethylene and polypropylene.
3.As a brightener for copper plating, it can make the plating layer bright and smooth, and can also improve the working current density. It is often used in conjunction with copper plating brighteners N, SP, etc.
4.Antioxidant MB can effectively protect against copper damage and overcome the adverse effects caused by excessive sulfur. It has a delaying effect on accelerators such as MBT and MBTS, and has a synergistic effect with amine and phenolic antioxidants.
