RUBBER VULCANIZING ACCELERATOR (DM) Chemicals
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RUBBER VULCANIZING ACCELERATOR MBTS(DM)
Chemical Name: Dibenzothiazole disulfide
Molecular Formula: C14H8N2S4
Molecular Weight:332.50
CAS NO. : 120-78-5
Executive standard：GB/T 11408-2003
Specification:
| Index | ||
High-class products | First-class products | Acceptable end-product | |
Appearance(Visual inspection) | White or light yellow powder, granular | ||
Initial M.P, oC ≥ | 170.0 | 166.0 | 162.0 |
Loss on drying, % ≤ | 0.30 | 0.40 | 0.50 |
Ash, % ≤ | 0.30 | 0.50 | 0.70 |
Residues on 150μm sieve，% ≤ | 0.00 | 0.10 | 0.10 |
Properties: white or light yellow powder (granule) with a little bitter, no poison. The density is 1.50, Melting point above 170℃,slightly soluble in benzene, chloroform and ethanol, is not soluble in water petrol. And ethyl acetate. Good storage stability.
Application: Given flat, moderately fast cures in NR and SR. Also used in a wide range of general purpose rubber. Non-staining and non-discolouring in "white" socks; used as a plasticizer and retarder in polychloroethylene rubber. Secondary acceleration is usually required for synthetic polymers. Better scorch safety than MBT.
Packaging: 20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
Storage: e product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 years.
Note: The product could be ultra fine powder based on customer accurate requirement.
- Q: What are the pharmaceutical manufacturing companies now using PT / AL_203 catalysts?
- Yueyang Eagle Hill Petrochemical Plant
- Q: What happens to a catalyst after a chemical reaction?
- Only a catalyst? Poor catalyst. Catalysts get very little respect. Folks assume that catalysts don' do anything, yet they magically speed up a reaction without taking part in the reaction. That just isn't the case. Most chemical reactions take place in multiple steps. A catalyst can be a reactant in one step and a product in s subsequent step, thereby giving the impression that it did not react. The catalyst speeds up a chemical reaction by providing an alternate reaction pathway which has a lower activation energy. The lower activation energy means that more molecules will have the energy required to react, and the rate will be greater. So the bottom line is that the catalyst will have appeared not to have reacted, and returns to its original state.
- Q: Why is the catalyst in the chemical balance, the rate of change and balance?
- But the positive reaction rate is accelerated, but also speed up the reverse reaction rate, the two increase the same multiple, so the system is still in a stable state, the same balance.
- 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
- At the same time, the catalyst is written on, and the heating symbol is written under the equal sign. Only one is written on the equal sign
- Q: What is the catalytic efficiency of ordinary chemical catalysts?
- Different reactions, with the same catalyst, the catalytic efficiency is different. The same reaction, with different catalysts, the catalytic efficiency is also different
- 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.
- MAD = Mutual certain Destruction you could injury us, of direction. yet you could no longer injury us till now we, even from the grave injury you too. we can be lifeless, we understand that. yet you will no longer stay to confirm and revel in it. what would be left of the two one human beings will ought to combat the subsequent war with sticks and stones. 3 skill of dropping the bomb: by skill of airplane, by skill of submarine launch and by skill of ICBM Inter Continental Ballistic Missile. As the two events found out war exchange into certain destruction, neither fairly needed that. We have been given fairly near to nuclear war, exceedingly throughout the Cuba disaster. yet provided that a nuclear war might propose the certain finished destruction of and the U.S. and the u . s . and West + East Europe, it must be prevented. in assessment to on the instant. have been non secular fans already have the bomb (Pakistan) or very near to construct one (Iran) and don't care a rattling concerning the outcomes. Allah will supply! (them with seventy two virgins each and each)
- Q: i keep messing up on those 2 simple things haha i would apprecaite some help.
- A catalyst is a substance that affects the rate of a reaction. It may participate, but cannot be consumed in the reaction. For example, KMnO4 catalyzes the breakdown of H2O2 into H2O and O2. In the end, as much KMnO4 exists as did in the beginning. An enzyme is a biochemical reagent that allows an organism to convert a compound into other compounds. This is part of metabolic processes. For example, maltose (a sugar composed of a chain of two glucose molecules) can be broken down into glucose by the maltase enzyme. Unlike a catalyst, enzymes may or may not be consumed/altered in the metabolic processes.
- Q: Now, i am studying for my biology exam in 3 weeks time...i stumbled upon catalase, and then checked my book its catalyst...now im confused...is there a different among these 2 terms? i think..catalyst is the when a substance brings up or about a chemical reaction without using itself up and then catalase breaks down the toxic by-product of metabolism, hydrogen peroxide, into water and oxygen.Or am i wrong?please explain what is catalyst and catalase in biology or are they the same, just differently?
- an enzyme that decomposes hydrogen peroxide into oxygen and water.a substance that causes or accelerates a chemical reaction without itself being affected. To put thing simply, a catalyst is any substance that speeds up a chemical reaction. These can be natural or manmade. Catalase is actually a specific type of naturally-occuring catalyst, an enzyme in cells that decomposes hydrogen peroxide (Which is extremely toxic to life!) into harmless components. Catalase enzymes are highly concentrated in the aptly named cell organelles known as peroxisomes. Just remember- if the word ends in -ase, it's a type of enzyme! :) Hope this information helps!
- Q: What are the catalysts?
- The catalyst is a substance that can change the rate of the reaction without changing the standard of the reaction Gibbs free, according to the definition of the International Pure and Applied Chemistry (IUPAC) in 1981, Enthalpy change. This action is called catalysis. The reaction involving the catalyst is a catalytic reaction. The catalyst will induce a chemical reaction to change, causing the chemical reaction to become faster or slower or to undergo a chemical reaction at a lower temperature The catalyst is also known as a catalyst in industry, and the composition, chemical properties and quality of the catalyst itself do not change before and after the reaction;
- 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.
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RUBBER VULCANIZING ACCELERATOR (DM) 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
OKorder Financial Service
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