RUBBER VULCANIZING ACCELERATOR CHEMICALS CZ

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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 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:Chemistry GCSE what is a catalyst?
Enzymes are catalysts in organic and organic strategies. many times catalysts that are used for business or lab reactions are fairly basic compounds. diverse reactions use diverse catalysts, that's because of the various reaction mechanisms. Catalysts take part in a reaction yet end unchanged. Hydrogenation catalysts are factors which includes platinum, nickel and so on. those metals react with the hydrogen on the exterior of them and the different reactant which includes vegetable oil to produce a product. Platinum is is utilized in catalytic converters on automobiles, in spite of the undeniable fact that lead can injury the platinum by potential of blocking off the exterior, subsequently you shouldn't use leaded petrol in automobiles with catalytic converters. Vanadium pentoxide is used to catalyse the reaction of SO2 to SO3 . and so on and so on. So in biology diverse enzymes are required for various reactions, reckoning on the reaction mechanism. Starch hydrolyses to glucose with an enzyme spoke of as ptaylin, cutting-edge in saliva. Proteins choose enterokinase to start the reaction all the way down to amino acids. there are a number of enzymes for various chemical strategies, that shall we not stay to tell the tale without. Animals that graze which includes cows and horses have enzymes cutting-edge of their digestive tract which will ruin down cellulose, we don't, so as that they are in a position to consume grass and so on and extract glucose from it. desire this helps, and not confuses.
Q:How to write a catalyst main character?
Ways to be a catalyst: By his behaviour: - He is a good listener. People use him as a sounding board and make important decisions as a result. - He is indiscreet and inadvertently reveals people's secrets and back-sniping comments. - He is a ****-stirring gossip. - He is a home-wrecking Lothario. - He is wise and gives good advice. - He is a hooligan who ruins businesses with vandalism, costs people their jobs and ruins relationships by beating people up. - He is a manipulative, blackmailing bastard who tries to turn every woman into a prostitute and con every man out of his money. - He is a charlatan who preaches nonsense about religion, health and business investments. By effortlessly influencing other people's behaviour: - He is famous and people try to impress him wherever he goes. - He has cancer or a disabling war wound. People admire and pity him and are shocked by his PTs mood wings. - He is gay, Muslim or a suspected paedophile and people want to persecute or cure him. - He is destitute. People argue amongst themselves over whether it's because he's lazy, has bad karma or there but for the grace of God go I. - He really looks like Jesus, Buddha or Santa and the sight of him makes people contemplate their Humanist values, coming to various conclusions. Perhaps you can write about his reputation; how he earned it, how it precedes him and provokes prejudices that he sometimes confirms or disproves. Use a detached, omniscient God-narrator. (Pretend Morgan Freeman's reading the audiobook.) Alternatively perhaps he is not a catalyst but a neurotic voyeur, fascinated by the minutiae of other people's lives so that the mundane appears tumultuous. He is not influencing people but your account of the changes in people's lives are centred on his observation of them.
Q:What is the principle of the catalyst?
The catalyst is a substance that alters the reaction rate without changing the total standard Gibbs free energy of the reaction. The composition, chemical properties and quality of the catalyst itself do not change before and after the reaction; its relationship with the reaction system is as highly selective (or specific) as the relationship between the lock and the key. A catalyst does not catalyze all chemical reactions. For example, manganese dioxide catalyzes the thermal decomposition of potassium chlorate, accelerates the reaction rate, but does not necessarily have a catalytic effect on other chemical reactions. Some chemical reactions are not only the only catalyst, such as potassium chlorate can be thermally decomposed in the catalytic role of magnesium oxide, iron oxide and copper oxide, etc., potassium chlorate oxygen can also be used when the red brick powder or copper oxide as a catalyst.
Q:CO and NO in what the role of the catalyst under the chemical reaction
Palladium Pd, platinum Pt as a catalyst
Q:Characteristics and types of catalysts?
Catalysts don't undergo any change. and types of catalysts - 1) Homogeneous Catalysts ( Having same phase that of reactant, product i.e. reactant and product and catalysts all are either liquid or gas or solid.). 2) Hetrogenrous Catalysts (Different Phase than that of reactant and product. 3) Autocatalysts (reaction proceed catalysed as product is formed or product catalyse the reaction.)
Q:Exemplify the use of green catalysts in green chemistry
The role of the catalyst is to control (speed up or slow down) the rate of chemical reactions. If you have to add a "green", perhaps this catalyst also requires not to pollute the environment or harmful to humans. Such as fertilizer used in the manufacture of platinum catalysis should belong to this.
Q:Chemical catalyst poisoning situation
In the reactants or catalyst mixed with a small amount of material, so that the catalyst catalytic capacity of a sharp decline or even loss, this phenomenon is called catalyst poisoning. For example, in the synthesis of ammonia feed gas containing CO, CO2 and H2S, PH3, water vapor and other impurities, can make iron catalyst poisoning; contact with the system of sulfuric acid, if arsenic and selenium oxide (As2O3, SeO2), can make vanadium catalyst Loss of activity. Therefore, it is necessary to purify the feed gas, prevent the poisoning of the catalyst, and also reduce the corrosion of the equipment. The phenomenon of catalyst poisoning is sometimes temporary, the removal of toxicants, the effectiveness of the catalyst can still be restored; sometimes it is permanent, without chemical treatment can not restore catalytic performance.
Q:the heterogenous catalyst ZSM-5 IS used to convert ?
Zeolite-based heterogeneous catalysts are used by industrial chemical companies in the interconversion of hydrocarbons and the alkylation of aromatic compounds. A very good example is the zeolite ZSM-5. This zeolite, developed by Mobil Oil, is an aluminosilicate zeolite with a high silica and low alumininum content. Its structure is based on channels with insecting tunnels. The aluminium sites are very acidic. The substitution of Al3+in place of the tetrahedral Si4+ silca requires the presence of an added postive charge. When this is H+, the acidity of the zeolite is very high. The reaction and catalysis chemistry of the ZSM-5 is due to this acidity. The ZSM-5 zeolite catalyst is used in the petroleum industry for hydrocarbon interconversion. An example use is in the isomerizations of xylene- from meta to para-xylene. The acidic zeolite promotes carbocation isomerizations. There are two suggested mechanisms for this type of isomerizations. Firstly shape may play a role. Perhaps para-xylene has a shape which allows it to diffuse rapidly through the zeolite structure, whereas as meta-xylene takes longer to pass through the zeolite and thus has more opportunity to be converted into the para-xylene. Secondly, is that the orientation of reactive intermediates within the zeolite channels favors specifically para-xylene.
Q:Manganese dioxide can be used as a catalyst for various chemical reactions
MnO2 + 4HCl = heating = MnCl2 + Cl2 + 2HCl

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