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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Carbon Black N375 Granluar

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.

Carbon Black N539 Granluar

Q:Explain how catalysts help to reduce costs in industrial processes !?Thanks: They speed up a reaction, allowing you to get more product more quickly and remain unchanged, therefore you can use them over and over again.

Q:Biological enzymes and chemical catalysts of the differences in the source, nature and catalytic characteristics of the different, specific point: Catalyst catalytic reaction relative conditions higher, selectivity than biological enzymes

Q:about 1-3 sentences on this will do thank you: since enzymes are found in the body,earlier they were belived to be related to life processes. however the organic molecules can also be produced outside the body through inorganic processes. a catalyst helps in speeding up the reaction.here the enzymes play as catylyst in the body for various metabolic pathways.

Q:On the issue of chemical balance and catalyst: Because the rate is scalar, it is not advisable to think too much from the speed change. I mean kv meaning that is proportional to the relationship, rather than proportional function relationship.

Q:Which chemical reaction is added to the catalyst in order to slow down the reaction: CaC2 and water reaction to ethylene plus salt water (slow chemical reaction rate)

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:Chemistry is often said that the catalyst can change the material reaction rate, rate and speed What is the difference: The rate is only size, no direction, speed both size and direction

Q:Why can't catalysts make an unfavorable reaction favorable?Can anyone give me a relatively simple explanation for this?Thank you so much in advance!: Catalysts, as enzymes, only change the activation energy (the energy the compound needs to gain to transform into products), they don't change the Gibbs energy values of reactants nor products. Therefore, if the delta G of the reaction is positive, it'll still need free energy to complete. They make a reaction complete faster than in normal conditions, but don't change the actual possibility for that reaction to happen. In the human body, a lot of reactions of catabolism have a positive G value and these reactions needs to get energy from other coupled reactions that have a negative value, so the total value is still negative. Many of them use hydrolysis of ATP to provide that energy, as its hydrolysis is about -30 kJ/mol in physiological conditions. I don't know what class you're in to ask this question, so can't really know if this answer is too simple or complicated for u... sorry in advance! Jo?l

Q:The size of △ H in the thermochemical reaction equation is related to the use and unused catalyst: It does not matter

Q:What is the chemical nature of the enzyme?: Enzyme is an amphoteric electrolyte, soluble in water, easy to precipitate at the isoelectric point, the enzyme activity-pH curve and the zwitterion of the enzyme. The enzyme is a high-molecular colloidal material, generally can not pass through the semipermeable membrane; Dissociation curve similar to the enzyme in the electric field can be the same as other proteins swimming; ③ lead to protein denaturation factors, such as ultraviolet, heat, surfactant, heavy metals, protein precipitants, etc., can make the enzyme failure; Protease hydrolysis and loss of activity.In addition, the most direct evidence is that all has been highly purified and crystallized enzyme for a primary structure analysis, the results indicate that the enzyme is a protein.

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