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86-021-61317011
address：No. 210, Longchang Road, Yangpu District, Shanghai,China
Tel：86-021-61317011
fax：86-021-65378681
mobile：13917881220 17701607391 (rubber additive) 18616710227 (plastic additives)
Zip code：200080
contacts：Miss Shen Mr wang Mr Zhou
E-mail:dm@shdunmei.com
Antiageing Agent MB
Chemical name：2- Mercaptobenzimidazole
Structural formula
Molecular formula C 7 H 6 N 2 S
Molecular Weight 150.2
CAS# 583-39-1
Specifications
| Item | Specifications | ||||
| High grade | 1st grade | Qualified | |||
| Appearance | Light-yellow or offwhite Power | ||||
| Melting point, ℃，≥ | 295.0 | 290.0 | 285.0 | ||
| Heat Loss，%，≤ | 0.30 | 0.50 | 0.50 | ||
| Ash，%，≤ | 0.30 | 0.50 | 0.50 | ||
| Residue on 150μm Sieve, %，≤ | 0.10 | 0.10 | — | ||
Properties Light-yellow or white Power crystals, bitterness, relative density is 1.42 ± 0.02g/cm3 ,
soluble in alcohol, acetone and ethyl acetate, difficully soluble in
gasoline petrol and dichloromethane, insoluble in carbon tetrachloride,
benzene and water, non-toxic
Applications Antioxidant MB can effectively protect the
pollution of copper and deal with the bad effect of over-vulcanization.
It has an acation of delay to the accelerator M, DM, TMTD, etc. There
are better actions when it is used with antioxident . Change less in
color, it can be used in wire, cable and transparent or color rubber
products and it also can be used as heat stabilizer of polyethylene and
polypropylene.
Packing Coextruded paper bags lined with polyethylene film bags. Net weight 25 kg per bags.
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