RUBBER VULCANIZING ACCELERATOR MBS RUBBER CHEMICALS
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- 12000 m.t./month
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RUBBER VULCANIZING ACCELERATOR NOBS(MBS)
Chemical Name：N-Oxydiethylene-2-Benzothiazole Sulfenamide
Molecular formula： C11H12N2S2O
Molecular Weight:253.35
CAS NO. : 102-77-2
Executive standard：GB/T 8829-2006
Specification：
| Index | ||
High-class products | First-class products | Acceptable end-product | |
Appearance | Faint yellow or orange granules | ||
Initial M.P, oC ≥ | 81.0 | 80.0 | 78.0 |
Loss on drying, % ≤ | 0.40 | 0.50 | 0.50 |
Ash, % ≤ | 0.20 | 0.30 | 0.40 |
Insoluble in Methanol，% ≤ | 0.50 | 0.50 | 0.80 |
Free amine,% ≤ | 0.50 | ||
Purity,% ≥ | 95.0 | ||
Properties: Faint yellow to brown lamellae. 80°C melting point.soluble benzene; carbon tetrachloride; ethyl acetate; ethanol, soluble in dichloromethane; acetone, less petrol, do not dissolve in water. Heating gradual decomposition.
Application：It'after-effect quick accelerator. Scorching time is longer and the processing safety is good.
Packing: 25kg paper bag inner with PE bag
Properties: The product should be stored in the dry and cooling place with good ventilation . The product should be avoid hot sunshine.
- Q:what is a catalyst?
- this picture shows how catalysts work. they usually speed up a chemical change.
- Q:Comparison of biocatalysts with chemical catalysts!
- The same point: biocatalysts and chemical catalysts are selective (specific) and efficient; participate in each reaction, its own nature and quantity will not change.
- Q:What are the characteristics of the catalyst in the catalytic reaction?
- The role of the catalyst in the chemical reaction is to change the rate of chemical reaction, and its own quality and chemical properties do not change.
- Q:What are the pharmaceutical manufacturing companies now using PT / AL_203 catalysts?
- I have a friend working in Hunan, inquire, as if the piece of PT has the most advanced equipment ,,, you can hit 114 inquiries ~!
- Q:Chemistry: Does the catalyst participate in the reaction?
- The current theory is generally believed that the catalyst to participate in the reaction, the formation of intermediates, and then re-decomposition of intermediates to generate the catalyst, so the quality and nature of the reaction before and after the same. Experiments have shown that although the nature and quality of the catalyst remain unchanged, some of its aspects, such as morphological changes, before the reaction of massive, post-reaction powder, indirectly prove the above theory. Now high school to do the problem generally according to the theory. Such as copper oxidation of copper oxide, copper oxide and then oxidation of ethanol to acetaldehyde, itself is reduced to copper, so copper is ethanol oxidation of acetaldehyde catalyst
- Q:What kind of compounds or elements can be used as catalysts in high school chemistry? What is the catalyst for what?
- High school is the most common is manganese dioxide, and potassium permanganate heating oxygen, hydrogen peroxide decomposition are used, which is inferred in the problem there is a lot of
- Q:the process of which the heterogeneous catalyst work in vehicles. a step by step instruction in how they work. :)
- The Reduction Catalyst The reduction catalyst is the first stage of the catalytic converter. It uses platinum and rhodium to help reduce the NOx emissions. When an NO or NO2 molecule contacts the catalyst, the catalyst rips the nitrogen atom out of the molecule and holds on to it, freeing the oxygen in the form of O2. The nitrogen atoms bond with other nitrogen atoms that are also stuck to the catalyst, forming N2. For example: 2NO =N2 + O2 or 2NO2 =N2 + 2O2 The Oxidization Catalyst The oxidation catalyst is the second stage of the catalytic converter. It reduces the unburned hydrocarbons and carbon monoxide by burning (oxidizing) them over a platinum and palladium catalyst. This catalyst aids the reaction of the CO and hydrocarbons with the remaining oxygen in the exhaust gas. For example: 2CO + O2 =2CO2
- Q:What is chemical adsorption and its relationship with heterogeneous catalysis
- The catalytic cycle includes five steps: diffusion, chemical adsorption, surface reaction, desorption and reverse diffusion.The chemical adsorption is an important part of the heterogeneous catalysis process, and the adsorption of the reactants on the catalyst surface,
- 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)
- Q:To write a 1500 words of small papers, so please help you busy
- Want to write a good article do not reach out.
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RUBBER VULCANIZING ACCELERATOR MBS RUBBER CHEMICALS
- 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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