RUBBER VULCANIZING ACCELERATOR CBS (CZ)

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Tianjin
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25 m.t.
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12000 m.t./month

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Product Description:

RUBBER VULCANIZING ACCELERATOR CBS(CZ) 

 Chemical Name: N-Cyclohexyl-2-benzothiazole sulfenamide
Molecular Formula: C13H16N2S2
 Molecular Weight: 264.4
CAS NO. : 95-33-0
 Executive standardHG/T 2096-2006
Specification: 


Item 

Index

High-class products

First-class products

Acceptable end-product

 Appearance
(Visual inspection)


Grayish-white, light yellow powder or granules 

Initial M.P,oC     ≥ 

99.0

98.0

97.0

Loss on drying,%       ≤ 

0.20

0.30

0.50

Ash, %                ≤ 

0.20

0.30

0.40

Residue,%       ≤ 

0.00

0.05

0.10

In soluble in Methanol,%  ≤    

0.50

0.50

0.80

Purity,%             ≥ 

97.0 

96.0

Free amine,%    ≤ 

0.50

Properties: Gray, light yellow powder or granules with a little odor, no poison. The density is 1.31-1.34. And melting point 90-108 oC .Soluble benzene, methylene chloride, carbon tetrachloride, ethyl acetate, acetone, ethanol-soluble and petrol do not dissolve in water.

Application:  to promote common aftereffect on sexual one. Furnace applicable to the use of black plastic material, both anti-burning performance and excellent short curing time two major advantages. Enable for natural rubber, recycled rubber, vinyl synthetic rubber, especially for the SBR. May be used alone, but also with promoting agent D, DT, TT, TS and others use. Because of a bitter, it can not be used for food-related products. Photochromic minor, do not emit cream vulcanizate excellent anti-aging properties. Used tires, shoes, hose and belt, cable, general industrial products. 

Packaging: 25kg plastic woven bag, paper with plastic film bag, Kraft paper bag or jumbo bag.

Storage: The 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 1 year.

Note: The product could be ultra fine powder based on customer accurate requirement.

 


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Q:What progress has chemistry brought to our life?
Q:Which of the following statements is not true of a catalyst?
A catalyst is something that speeds up a reaction by lowering it's activation energy, that is, minimum amount of energy required for a reaction to occur. Catalyst is added to reaction that have a very high activation energy, and in normal situation reaction will proceed very slowly and too much time is consumed to get any considerable amount of product. The reaction occurs nevertheless. Chemists are usually not concerned with the catalyst, as it is present both in the reactant side and product side unaltered, they are more concerned with the final (new) product formed from the reactants. Since catalyst speeds up a chemical reaction without being permanently altered therefor the answer is C.
Q:The beginning of the chemistry plus the catalyst and the plot without the Cuihua agent
What image, rate or balance?
Q:What is the principle of catalyst reaction rate in chemical reactions?
Whether the chemical reaction can be carried out according to the change of free energy, but only according to the change of free energy can not determine whether the reaction can be completed, because the chemical reaction is also completed by the reaction of the energy barrier, that is, if the reaction energy barrier is high, To provide some energy, across the barrier, to complete the reaction. The energy barrier is called activation energy. And the role of the catalyst is to reduce the activation energy, so that in a relatively harsh environment, chemical reaction occurs.
Q:Will the catalyst change in the chemical reaction?
In fact, there are two kinds of catalyst mechanism, one is not a chemical reaction, the reaction did not occur throughout the chemical reaction, the catalyst did not change; one is involved in the reaction process, but the final production of the catalyst, which The class reaction generally occurs in a stepwise chemical reaction.
Q:The quality and nature of the catalyst before and after the chemical reaction did not change this sentence wrong?
There is no wrong catalyst just to speed up the reaction
Q:The best use of chemical catalysts
Do not know what you want to use the best thing is what the catalyst is generally used in the process, there will be an initial induction period, the catalytic activity is relatively low, and then reached a stable catalytic state, this paragraph is generally called the catalyst life, the final Due to poisoning, active ingredient aggregation and so on factors, the catalyst activity will be reduced, then need to replace the new catalyst
Q:In the catalyst and light conditions to break down the water to get the chemical equation of hydrogen
2H2O = (light or catalyst) 2H2 ↑ + O2 ↑
Q:what is the difference between enzyme and catalyst?
Enzymes and catalysts both affect the rate of a reaction. The difference between catalysts and enzymes is that while catalysts are inorganic compounds, enzymes are largely organic in nature and are bio-catalysts. Even though all known enzymes are catalysts, all catalysts are not enzymes. Moreover, catalysts and enzymes are not consumed in the reactions they catalyze. Catalysts are low molecular weight componds, enzymes are high molecular globular proteins. Catalysts are inorganic, enzymes are organic. Catalyst reaction rates are slower (usually) than enzyme reaction rates. Catalysts are not generally specific - enzymes are VERY specific. Catalysts increase or decrease the rate of a chemical reaction, enzymes are proteins that incrase the rate of chemical reactions & convert the substrate into product. There are 2 types of catalysts - (positive & negative), and the 2 types of enzymes are activation enzymes and inhibitory enzymes. Catalysts are simple inorganic molecules, while enzymes are complex proteins.
Q:What chemical reactions can water do the catalyst?
Many solid and solid reactions can be converted into reactions between liquids, which speeds up the reaction rate, and perhaps the water here is the catalyst.

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