Selling Carbon black use N220 n330 n550 n660

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Selling Carbon black use N220 n330 n550 n660 /1333-86-4
1.competitive price
2.high quality
3.wide specifications

Selling Carbon black use N220 n330 n550 n660 /1333-86-4

1.Basic information:

1. Carbon Black N220, N326, N330, N375, N539, N550, N660, N774 also available;

2. For more details(Carbon Black MSDS), please do not hesitate to contact us.

3.We holding the princple of " Profession, Speedy, Sincerity" with your questions and inquiries.

So if you are interested in any product we are supplying or we could supply, your inquiry will always meet our prompt reply!

2.Specification:

Name ,Parameter	Carbon black N220	Carbon black N330	Carbon black N550	Carbon black N660
Loding Absorption Number(g/Kg)	114-128	77-87	39-47	32-40
Absorption Value of DBP (10-5m3/Kg)	109-119	97-107	116-126	85-95
Absorption Value of compressing sample DBP (10-5m3/Kg)	95-105	83-93	83-93	71-79
Adsorptive Specific Surface Area of CATB ( 103m2/Kg)	106-116	77-87	38-46	32-40
Adsorptive Specific Surface Area of Nitrogen (103m2/Kg)	114-124	78-88	38-46	30-40
Tinting Strength %	110-120	98-108	----	----
Heating Loss	2.5%max	2.5%max	1.5%max	1.5%max
Ash Content	0.5%max	0.5%max	0.5%max	0.5%max
Tensile Strength	-0.5mpa min	-0.5mpa min	-0.5mpa min	-0.5mpa min
300% Extending Stress	-1.5±1.0 mpa	-1.0±1.0 mpa	-1.0±1.0 mpa	-2.5±1.0 mpa
45μm Sieve Residue	0.10% max	0.10% max	0.10% max	0.10% max

Q:Why the catalyst after the chemical reaction of its quality and chemical properties unchanged: The catalyst does not react directly with the reactants, so its mass remains constant.

Q:The chemical equation of heating reaction of benzene and hydrogen under the action of catalyst: C6H6 benzene + 3H2 - (arrow) C6H12 cyclohexane (Ni catalytic heating)

Q:It is best to tell me what the role of sulfuric acid in these reactions, respectively: Esterification reaction (dehydration), nitration (dehydration, concentrated nitric acid), carbonation reaction or dehydration reaction (organic matter in sulfuric acid blackening, dehydrating agent), sulfonation reaction (dehydrating agent), ethylene (dehydrating agent).

Q:What are the chemical reaction conditions in organic chemistry are catalyst and heating, please elaborate: This really does not have omnipotent law, their own more than one point, you can classify to remember, when I was in high school is in accordance with the notes, such as poly, polycondensation and the like. In general, the double triple bond addition, plus halogen is not the conditions, plus HCl, HBr and the like to heat; dehydration reaction generally concentrated H2SO4 heating, dehydration condensation is also; there are some special, such as ethylene added to ethanol Special temperature requirements, it seems that 120 degrees, there are other; other addition poly, polycondensation some need catalyst. The The In short, the conditions are many, in general, you do not go to the high school to do more questions after the feeling, encounter problems do not panic general experience can come out according to experience, this also depends on the usual accumulation, if the equation conditions Wrong to deduct points, it is not worthwhile. There are some questions when the examination will give you some information, whether you know do not know should see clearly, although some of the reaction but the subject to the conditions are not the same, when you do according to the title to write conditions, this will not wrong. In addition, thank you for your help, I do not seem to know you

Q:What is the analytical principle of chemical adsorbents? How about the number of active catalyst centers tested?: 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:The addition of the catalyst has no effect on the chemical equilibrium of the movement: Hello, the essence of chemical equilibrium is a dynamic equilibrium, under certain conditions, the equilibrium constant of the reaction is a certain value, the role of the catalyst is to reduce the activation energy required for the reaction, increase the number of activated molecules, so that the reaction within a unit time The number of molecules increased, but the positive reaction is positive for the reaction, so do not change the speed

Q:In the presence of catalyst, KCl is produced in the thermal decomposition of KClO3.You did not have a catalyst. Did you get the same products for this reaction as you would have with a catalyst?: A catalyst changes the RATE of a reaction, not the products. So, yes, you get the same products without the catalyst as you do with the catalyst.

Q:What are the catalysts?: The relationship between it and the reaction system is as highly selective (or specific) as the relationship with the key. A catalyst does not catalyze all chemical reactions, such as manganese dioxide in the decomposition of potassium chlorate Play a catalytic role to speed up the chemical reaction rate, but the other chemical reactions do not necessarily have a catalytic effect

Q:Before and after the chemical reaction, the nature of the catalyst unchanged this statement right? Why?: Yes, the catalyst only acts as a catalyst and does not participate in chemical reactions

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.)

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