Rubber Chemcials Rubber Antioxidant MODEL MB

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Tianjin
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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:How does the catalyst for organic synthesis look for?
This problem is difficult to answer comprehensively because the study of the different directions of the catalyst is different.
Q:How does the catalyst affect chemical balance?
The catalyst only affects the time required to reach equilibrium and does not affect the conversion of the reactants
Q:What is the difference between biological and chemical catalysts?
catalysts which catalyze the chemical reactions taking place in human body such as enzymes are called bio-catalyst and other one's which are generally used in laboratory by chemists for multiple type of reactions are chemical ctalysts
Q:What is the catalyst called?
There are three types of catalysts, which are homogeneous catalysts, heterogeneous catalysts and biocatalysts
Q:Question about catalysts?
Generally, catalysts participate and facilitate a reaction, but the catalyst is returned unchanged. For example, sulfuric acid may be used in a Fischer esterification, palladium in a Heck reaction, pyridine in an acylation reaction, hydroxide in an aldol condensation, cyanide in a benzoin condensation, etc. An enzyme can facilitate a reaction is a similar manner, by being an acid or base catalyst for example. We could say that generally, reactions are reversible. Practically, that is not true as the energy differences of the reactants and products may be so different to prevent the reverse, an explosion for example. If a reaction is reversible, that may not mean the reverse reaction will take place. Le Chatelier's Principle can apply to determine the products.
Q:What is the chemical catalyst for CAT12
(Cat1, cat2, cat4 and cat5) in the presence of terephthalic acid,
Q:Name one case in which catalyst poisoning is useful?
alkynes can react with hydrogen in the presence of a catalyst such as palladium to form alkanes, if they catalyst is poisoned you can produce alkenes instead
Q:What is the catalyst for industrial aluminum electrolysis?
2AlCl3 (melt) = power = 3cl2 + 2al by-product is chlorine
Q:Name 3 everyday catalysts?
Hello ; Chemical catalysts are substances that increase the rate of reaction (while remaining themselves chemically unchanged: Polyethylene, the polymer used to make everything from: 1. garbage bags and 2. grocery bags, to 3. squeezable bottles, to 4. cable insulation, is made by passing ethylene gas over a catalyst. Most other polymers are made in the same (or similar) way. Synthetic rubber, nylon, polyester, PVC, teflon, etc. It's not hard to think of 10 uses for these catalyst-produced materials alone... e.g. : 5. rain coats 6. pantyhose 7. water pipes 8. bouncy balls 9. non-stick surfaces and pads 10. saran wrap 11. food containers 12. cell-phone and laptop cases 13. cheap wigs 14. fishing line... 15. Enzymes are Biological catalysts: 16. beer and 17. bread are typically made with yeast, a living organism containing enzymes I hope this helps!
Q:Chemical questions: "CO2 and H2 in the catalyst conditions have a reaction
CO2 + H2 = CO + H2O (conditions: catalyst, generally already heating, and reversible)

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