Carbon Black N539 Granluar

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
10000MT m.t./month

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Product Description:

Carbon Black N539(Granule)

Product Description:

carbon black N539:
1.Usage Rubber Auxiliary Agents;
2.Product Status:Black powder or granular;
3.Standard: ISO 9001:2000

Suggest for Use:


uses for the truck tire, passenger tire tread rubber, etc., and require high strength, high wear-resistant rubber products, such as high-strength conveyor belt, industrial rubber products.
TDS of the Carbon Black N539

Product Varieties

N539

Pouring density(kg/m3)

345~425

Iodine absorption Value(g/kg)

39~47

300%modulus(Mpa)

-2.6 ~0.6

DBP absorption Value (10-5m2/kg)

106~116

Ash content

≤0.7%

24Mn DBP(10-5m2/kg)

76~86

45um sieve residue

≤0.05%

CTAB surface area(103m2/kg)

36~46

500um sieve residue

≤0.001%

STSA/(103m2/kg)

33~43

Impurity

NO

Nsa surface area(103m2/kg)

35~43

Fine content

≤10%

Tint strength(%)

------

Tensile strength(Mpa )

-5.0%

Heatloss(%)

1.5

Elongation at failure

-20%

Safety:

As a matter of good industrial hygiene, gloves and safety glasses with side shields or better eye protection should be worn when handing Carbon Black ,For more information, refer to the MSDS.




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Q:Chemical master invited (about catalyst)
From the thermodynamics can be reaction, and the three formulas can be added to eliminate the intermediate product, indicating that the reaction may occur. The definition of the catalyst is not complete. I am a junior undergraduate student of Jilin University School of Chemistry, according to the definition of the catalyst in the university textbook, the catalyst itself reacts with the reactants to produce unstable intermediates. After the reaction is finished, the intermediate product is explained and the catalyst is reduced. Apparently did not participate in the reaction. So the catalyst to change the course of the reaction, the original reactants to go through a relatively high energy to produce products, there will be a catalyst after a few relatively low energy barrier, so much easier, the reaction rate is greatly accelerated The It can be seen, the catalyst is not no response, but only after the completion of the reaction to restore it. It can also be seen that the amount of catalyst does not matter, and some reactions require the amount of catalyst to be approximately equal to the amount of reactants. Waiting for you to high school and university to further study on this issue will have a more clear understanding of the.
Q:What are the differences between biological catalysts and chemical catalysts?
Biological catalyst: 1. Biological catalysts or enzymes are high molecular weight globular proteins. 2.Their composition may change at the end of reaction. 3.Their catalyzing effect is very high. i.e faster than chemical catalyst. 4.They are reaction specific. i.e One enzyme or biological catalyst may catalyze only particular type of reaction and not many. 5.They are intolerant to temperature and pH changes. An enzyme can not function outside its temperature or pH range. e.g amylase,lipase,pepsin Chemical catalyst: 1.Chemical catalysts are simple inorganic molecules with low molecular weight. 2.They remain unchanged at the end of reaction. 3.They are slower compared to enzymes. 4.They are not reaction specific. 5.They function within wide range of temperatures,pH or pressure. e.g vanadium dioxide, platinum
Q:What is the quality of the catalyst in the chemical reaction,and how much is the catalyst mass?
You can not calculate this question, the quality of the catalyst before and after the same reaction, how much reaction before the reaction on how much
Q:Please help - question about catalysts !?
they reduce the activation energy of a specific chemical reaction, which in turn reduces the temperature at which a reaction will occur at any significant rate (and therefore fuel costs) while generally making the reaction occur faster. In general, if you can catalyze a reaction, you can get away with using less robust equipment because you don't need as much energy.
Q:How does the catalyst affect chemical balance?
The catalyst only affects the time required to reach equilibrium and does not affect the conversion of the reactants
Q:Palladium is the main catalyst in chemistry?
Palladium in the chemical mainly to do the catalyst; palladium and ruthenium, iridium, silver, gold, copper and other alloy, can improve the palladium resistivity, hardness and strength, used in the manufacture of precision resistors, jewelry and so on. While the most common and most commercially available palladium jewelery is palladium.
Q:How are a catalyst and an intermediate similar? How are they different?
A catalyst speeds up the rate of a reaction by lowering the activation energy barrier which is, presumably, the energy required to achieve the reaction intermediate. Catalysts are also not consumed in the reaction, they are regenerated towards the end. A reaction intermediate is a configuration that a molecule takes prior to achieving it's lowest energy form which would signify the end of the reaction. Intermediate usually are hard to isolate because of the incentive to go to the most stable configuration. How are they different? A catalyst is not a part of the reaction product and it doesn't get consumed. An intermediate in a reaction is transformed into the product. How are they similar? Well, catalysts drive the reaction and make it easier for the reaction for follow through. Since intermediates are high energy and thermodynamics tells us that low energy is favorable, the incentive for a high energy intermediate to drive down to it's stable for can also drive a reaction. I hope that helps. I hope it makes sense.
Q:How does catalyst aid a chemical reaction?
A catalyst will lower the activation energy of a reaction, and hence allow it to happen faster. The actual mechanisms vary widely. Two mechanisms are: 1/ formation of intermediate compounds, which can then decompose into the catalyst and the required product 2/ provision of a large surface area for adsorption, so the reactant molecules can come into contact sooner.
Q:What is the analytical principle of chemical adsorbents?
What do you mean by the chemical adsorber? BET is the use of the surface of the uneven force field, but the inert gas at low temperature in the surface adsorption. TPD, TPR is the number of active centers that can be measured by the technique of desorption and reduction between specific gases and catalysts as the temperature increases. If the active site is a reduced position, H2-TPR can be used. If the active site is acidic, NH3-TPD can be used, but also the method of alkali titration.
Q:Manganese dioxide can be used as a catalyst for various chemical reactions
The reactor may be a reactant,

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