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:Is it possible for the different chemical reactions to have the same catalyst?
Just as manganese dioxide can catalyze the decomposition of molten potassium chlorate can catalyze the decomposition of hydrogen peroxide, but this is not necessarily the same as the catalyst for the production of the same product, but for the enzyme in order to ensure that the growth of the orderly all have a single Enzymes can only catalyze an organic matter
Q:explain how a catalyst can affect the rate of reaction but not be in the overall equation.?
Simply, the catalyst provides a better way for the reaction to occur (some won't work without the catalyst) and usually a favorable reaction will run faster if there is a catalyst. There are many ways for this to happen. The catalyst can provide more surface area for a reaction to occur, it can do an adsorption process where one of the reactants sticks to the surface and exposes a portion of the molecule which is more favorable to the reaction. It can lower the energy required for the reaction to occur (same effect as increasing temperature) by favoring an intermediate step in the reaction. Lots of different ways, some not fuly identified or understood. The catalyst people who work with the platinum metals groups are notorious for keeping their mixtures secret. A better gasoline catalyst for refineries is worth billions in profits. It is not considered in the equation because you get back what you start with even if one of the intermediate steps involves changing the chemical composition of the catalyst and then has it returning to its original state with the formation of the product.
Q:Question about catalysts?
A catalyst works for either the reactants or the product in a given reaction. If it works for the reactants then the activation site on the enzyme, for example, will only fit on the reactants. If a catalyst is added to a reaction in which it catalyzes the back-reaction, or it aids the products, then the reaction will be reversed. i don't think a catalyst could work for both the reactants and products in one reaction because it wouldn't really be a catalyst anymore; it wouldn't make the rxn progress any faster since it would be canceling out itself by aiding both the reactants and the products. I think this is what you are asking, if not please post more details. I hope I didn't confuse you even more!
Q:Which branch of chemistry or what specialty can study the catalyst
Analytical Chemistry: Application of Catalysts in Analytical Chemistry, Component Analysis of Certain Natural and Synthetic Catalysts
Q:what is the role of a catalyst in a chemical reaction?
A catalyst is used to speed up a chemical reaction. It is not consumed during the reaction.
Q:Explain, using an example, how a heterogeneous catalyst works?
Because of the production of photochemical oxidants from NOx reacting with hydrocarbons in sunlight Noxer blocks are used to rid the NOx from the surroundings through The titanium dioxide (TiO2) on the bocks absorbs ultra-pink radiation from daylight which excites its electrons to a bigger orbital. On the outside of the crystals of TiO2 a reaction happens between oxygen and a high power electron from the TiO2. O2 + e־ --O2 ־ The excessive vigor electron is then given back to the TiO2 when water then reacts with the oxygen to present H2 O + O2 --H+ + O2 ־ + OH Nitrogen dioxide is oxidised to nitrate ions as a result of the hydroxyl radical being an awfully strong oxidising agent NO2 + OH --H+ + NO3 ־ The superoxide from response 3 also varieties nitrate ions from nitrogen monoxide. NO + O2 ־ --NO3 ־ This nitrate is washed away through rain or combines with the concrete within the block.
Q:Does the catalyst slow down the chemical reaction rate?
The role of the catalyst is to change the activation energy to achieve the purpose of changing the reaction rate, there is a rate of response to speed up the rate of slow response
Q:The beginning of the chemistry plus the catalyst and the plot without the Cuihua agent
Activated molecular map
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 chemical reaction equation of methanol heating and oxygen in the presence of catalyst
Catalytic oxidation of formaldehyde

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