天津Antioxidant MMB

Chemical name: 2-mercaptomethylbenzimidazole

CAS: 53988-10-6

                                first-grade products                      Qualified products

Appearance (visual inspection): 

Light yellow or gray white crystalline powder      Light yellow or gray white crystalline powder

Initial melting point, ℃, ≥      273                                          273

Heating reduction,%, ≤     0.4                                                0.5

Ash content,%, ≤               0.4                                                0.5

Sieve residue (200 mesh)，%，≤0                                         0.1 

Property: The pure product is a white powdery crystal, non-toxic, and has a bitter taste. Stable storage.

Usage: This product is an important variety of non polluting antioxidant, used as natural rubber, styrene butadiene rubber, butadiene rubber, nitrile rubber, and their latex. This product is easily dispersed in rubber, but its solubility is not high. It does not change color under sunlight and is slightly polluting. When used alone, the dosage is usually 1-1.5 parts. When the dosage exceeds 2 parts, frosting may occur. The dosage in latex foam rubber is 0.5 phr. Due to its bitter taste, this product is not suitable for use in rubber products that come into contact with food.

Storage: Sealed and stored in a cool, dry, and well ventilated place.

Packaging: Composite paper bag, lined with plastic film bag, net weight of 25 kilograms.