Antioxidant MB Used in Making Wires and Cables

Antioxidant MB, whose chemical composition is 2-mercaptobenzimidazole, is white or light yellow fine powder with bitter taste. It is non-toxic. It is the main non-staining antioxidant in rubber industry and it can reduce the rubber discoloration in the process of vulcanization.

A heap of white powder.

Antioxidant MB powder.

The structural formula of antioxidant MB.

Antioxidant MB structural formula.

Details of antioxidant MB:

  • Molecular formula: C7H6N2S.
  • Molecular weight: 150.2 g/mol.
  • Density: 1.40 - 1.44 g/mol.
  • Heating loss: ≤0.5%.
  • Ash content: ≤0.40%.

Property: antioxidant MB is white or light yellow fine powder with bitter taste. It is nontoxic. It is soluble in ethyl ether, acetone and ethyl acetate. It is hardly soluble in petroleum, ether and dichloromethane. It is insoluble in carbon tetrachloride, benzene and water.

Application:

  • Antioxidant MB is mainly used in manufacturing butadiene rubber, SBR and nitrile rubber.
  • It is used as the antioxidant of natural rubber, dienes synthetic rubber and latex.
  • It is used in manufacturing transparent, white and bright-colored rubber products.
  • It is used in manufacturing wires and cables.
A pair of black synthetic rubber rain shoes.

Antioxidant MB is used in manufacturing synthetic rubber, making the rain shoes have longer service life.

A black tire made from butadiene rubber.

Antioxidant MB is used in making butadiene rubber, which can be used to produce tires.

A roll of styrene butadiene rubber sheet.

Antioxidant MB is used in making SBR, making the rubber sheet have long service life.

A hand with a white latex glove.

Antioxidant MB is used as the anti-aging agent of latex, making the gloves durable.

A black shoe whose sole is made from nitrile rubber.

Antioxidant MB can be used in making nitrile rubber, which is often used as shoe soles.

A watch with white rubber belt.

Antioxidant MB can be used in making white rubber products.

A bundle of cables.

Antioxidant MB can be used in making cables.

A large bundle of transparent rubber pipe.

Antioxidant MB can be used in making transparent rubber pipe.

 

Some matters need to attention about antioxidant MB:

  • It has bitter taste, so it should not be used in the food-contact rubber products.
  • Store the products in the cool, dry and well-ventilated places.
  • Keep containers tightly closed and avoid the direct sunlight.
  • The recommended maximum storage life is 2 years when stored under normal conditions.
  • It can be used alone, and it can be used with other antioxidants to obtain better anti-aging performance.

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