Rubber Chemcials Rubber Antioxidant MODEL MB

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
12000 m.t./month

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Product Description:

MB

Chemical Name:2- Mercaptobenzimidazole

Molecular Formula:C 7 H 6 N 2 S

Molecular Weight:150.2

CAS No.:583-39-1

Specifications:

 

Item

Specifications

High Grade

1st Grade

Qualified

Appearance

 Light-yellow or white Power crystals (Granules)

Initial Melting Point°C Min.

295.0

290.0

285.0

Heat Loss, % Max.

0.30

0.40

0.50

Ash, % Max.

0.30

0.40

0.50

Residue on 150 µm Sieve % Max.

0.30

0.40

0.50

 

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 bag.

 

Storage: Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.


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Q:Chemistry why the catalyst can be equal to speed up the positive reaction rate
Since the catalyst only changes the activation energy and the amount of reactivity can be reduced, the amount of reaction energy is also reduced. Therefore, a positive catalyst is also a good catalyst for its reaction. Speed up the same multiple.
Q:Catalyst - Can it decrease the rate of a reaction?
no, by defintion the catalyst speeds up the reaction.
Q:The role and significance of chemical catalysts
In the pre-chemical reaction, to speed up the reaction rate, and in the chemical reaction before and after the material quality and chemical properties are not changed.
Q:what is a fuel catalyst?
Fuel Catalyst
Q:Write a chemical formula in a chemical laboratory without the use of a catalyst for oxygen
2KMnO4 = Δ = K2MnO4 + MnO2 + O2 ↑
Q:Can Cuo react as a catalyst with H2O2, does its quality and chemical properties change?
2H2O2 (CuO catalyzed) ====== 2H2O + O2 ↑
Q:What is the meaning of catalyst in chemistry?
In the chemical reaction can change the reaction rate of chemical reaction (increase or decrease) without changing the chemical balance, and its own quality and chemical properties in the chemical reaction before and after the material did not change the catalyst.
Q:how does the AMOUNT of a catalyst affect reaction rate?
theoretically, the more catalyst there is, the faster the rate of reaction. this is because it is bringing more particles together quicker.
Q:What kind of chemical substances can seriously damage the ozone layer, as a catalyst or reactants can be?
Freon decomposition of free radicals. The destruction of our ozone is mainly caused by him. Chlorine free radicals are also available.
Q:What are the catalysts that appear in the chemistry experiment?
Oxygen Oxygen Oxygen Oxygen also used when the catalyst is manganese dioxide MnO2

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