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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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.
- Q:An important property of the catalyst is that the reaction equilibrium is not changed while increasing the forward reaction rate and the reverse reaction rate. However, because the enzyme for the specificity of the substrate, is not almost every reaction by the enzyme are one way to do it.
- A brief description of restriction endonucleases and DNA ligases: Restriction endonucleases, and DNA ligases, can be said to have nothing to do with energy calculations. In particular, the actual effect of these two enzymes is not to switch between A (DNA) and B (disconnected DNA) states. Restriction endonucleases do not need to open base pairing in addition to the phosphates, whereas the DNA ligase itself is responsible for linking 5'-phosphate and 3'-hydroxy. Which use the energy supply substances, coenzyme are not the same, can not be used as the same reaction is positive and negative process considerations.
- Q:On the issue of chemical balance and catalyst
- Because the rate is scalar, it is not advisable to think too much from the speed change. I mean kv meaning that is proportional to the relationship, rather than proportional function relationship.
- Q:What is the catalyst for high chemistry?
- Concentrated sulfuric acid, NI, barium bromide, copper or silver
- Q:I have just spent CAN$550 to replace a catalyst converter at one end of the muffler. The repairman said I need to replace the oxygen sensor very soon, otherwise, the C.C. will be gone again. Is that true... can someone confirm this for me. Thanks.
- The oxygen sensor is a sensor that reads between 1-5v. The computer uses the feedback response from the oxygen sensor, to let it know how much fuel should be introduced into the engine,and then compares the oxygen sensors voltage to a predetermined set prgram in the computer. If the signal from the oxygen sensor is out of the range of the computers program. The computer kicks on the service engine soon lite. Too much gas will cause the cat to overheat and ruin it. Change the sensor as soon as possible.
- Q:Chemical equation if there is a catalyst and heating, which write in the equal sign above, which written in the following? Tomorrow academic level test, solution
- This do not care The But in general the catalyst is written on the equal sign is better ...
- Q:Chemical Reactions Under what circumstances the catalyst accelerates the reaction
- First, more than ninety-nine percent of the catalyst is accelerating the reaction, and if the catalyst kinetics reduces the energy barrier of the reaction, the reaction will naturally accelerate.
- Q:Like biological and industrial reations. Thanks.
- Reactions that have high Activation Energy need catalysts to speed up reactions. These reactions aren't spontaneous since the reactants do not have enough energy to overcome the activation energy barrier. Catalysts are compounds that speed up reactions by providing an alternative pathway for the reaction. It is a common misconception that catalysts lower the activation energy. It doesn't actually lower the activation energy, instead it provides an alternative pathway with lower activation energy. For example, breakdown of hydrogen peroxide happens in nature but, relatively slowly. When you add a little bit of manganese dioxide, the breakdown happens a lot faster. Another example is, breakdown of glucose in the body. It is facilitated by an enzyme called amylase (or carbohydrase). An industrial example is the use of vanadium pentoxide (V2O5) in the Contact process, where SO2 is converted to SO3 in the presence of V2O5. Hope that helps!
- Q:Carbon dioxide and hydrogen in the catalyst and heating conditions, the reaction of water and methane, the chemical equation is what
- CO2 + 4H2 = catalyst, heating = 2H2O + CH4
- Q:Why extract the genome, the digestion is always not cut
- The specificity of enzymes is very strict, those compounds that are considered symmetric in organic chemistry such as glycerol, ethanol, citric acid, etc., are asymmetric (even with the same groups) when they are used as substrates for enzymes, That is, their location in space, after all, different (available "three-point landing" theory explained, 1948 Oqston proposed).
- Q:My chemistry teacher wont tell me because it's in the higher course. And i'm not waiting a whole year to find out. And also, google is being a gimp about it. So thanks a lot if you know, I only have basic chemistry knowledge btw, lumen'ss terms if you can.
- Catalysts facilitate the reaction. They might work in several ways. Here is an example: Catalysts generally react with one or more reactants to form intermediates that subsequently give the final reaction product, in the process regenerating the catalyst. The following is a typical reaction scheme, where C represents the catalyst, X and Y are reactants, and Z is the product of the reaction of X and Y: X + C → XC (1) Y + XC → XYC (2) XYC → CZ (3) CZ → C + Z (4) Although the catalyst is consumed by reaction 1, it is subsequently produced by reaction 4, so for the overall reaction: X + Y → Z They might also just increase the surface area, thus speeding up the reaction. Example: Coke looses its fizz over time if left with the cork unscrewed. This is because the HCO3 is released as CO2. If you drop a menthos into the coke, it explodes with CO2, because the methos is full of tiny dents in the surface (thus giving it a massive surface area). (i blatantly copied the first example from the wiki)
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Rubber Chemcials Rubber Antioxidant MODEL MB
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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