CMC Ceramic Grade Carboxymethyl cellulose

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Quick Details

Classification: Chemical Auxiliary Agent
CAS No.: 9004-32-4
Other Names: sodium cmc
MF: [C6H7O2(OH)2CH2COONa]n
Purity: 90%
Place of Origin: Shandong, China (Mainland)
Type: Carbon Black
Usage: Paper Chemicals, Surfactants, Textile Auxiliary Agents
Model Number: CMC-LV
Packaging & Delivery

Packaging Details:	25kg net kraft bags with PE inner.
Delivery Detail:	Within 15 days after your advanced payment or as your require

Specifications

1)CMC ceramic grade
2)CMC - HV, CMC - LV
3) free flowing off white powder

CMC Ceramic Grade Carboxymethyl cellulose

Description:

CMC for ceramics features uniform distribution of substituents (carboxymethyl group) on the cellulose backbone. It produces fewer gel granules in glaze formulation.

Specifications:

Type Item	YG1901	YG2802	YG3702	YG3703	YG4604	YG5501	YG8201	YG9102
Viscosity(cps)	100-800	800-1500	1500-2500	>2500	400-1500	1500-2500	400-1000	>200
Degree of Substitution	≥0.9	≥0.9	≥0.8	≥0.7	≥0.9	≥0.9	≥0.7	≥0.6
Purity (dry basis)	≥95%	≥95%	≥95%	≥95%	≥95%	≥95%	≥80%	≥60%
Moisture %	≤10	≤10	≤10	≤10	≤10	≤10	≤10	≤10
PH	6.0-8.5	6.0-8.5	6.0-8.5	6.0-8.5	6.0-8.5	6.0-8.5	6.0-8.5	6.0-10.0

Application Field:

1. It contains no colored impurity and is 100% combustible under firing condition, to ensure clean ceramic glaze.
2. It can stabilize physical and chemical property of glaze formulation.
3. It can improve glaze adhesion and reduce glaze cracking.
4. It facilitates formation of a smooth dense glaze layer.
5. It can improve the rheological property of glaze formulation.
6. The glaze viscosity is proportional to the concentration of CMC added

CMC Ceramic Grade Carboxymethyl cellulose

Package and Storage:

1. The solid product can be packed in inner plastic bags, and further in polypropylene woven bags with each bag containing 25Kg.

2. The solid product should be prevented from scattering on the ground because the hygroscopic powder can cause slipperiness.

CMC Ceramic Grade Carboxymethyl cellulose

Q: Carbon dioxide and hydrogen in the catalyst and heating conditions, the reaction of water and methane, the chemical equation is what: CO2 + 4H2 = catalyst, heating = 2H2O + CH4

Q: How does the catalyst affect chemical balance? Why the catalyst has no effect on the chemical equilibrium, for v-t diagram: The catalyst only affects the time required to reach equilibrium and does not affect the conversion of the reactants

Q: What are the requirements for the catalyst for the chemical industry?: Generally find a few, according to the cost and cost of cost, choose cost-effective

Q: What is the reaction of hydrogen peroxide to add manganese dioxide?: This problem is not easy to answer, the principle of manganese dioxide catalytic hydrogen peroxide I have not learned, but I have also considered, I think so, hydrogen peroxide and manganese dioxide first combination, the formation of permanganic acid, permanganic acid is a Very special acid is indeed present, it can not be stable under normal conditions, it will be further decomposition, the formation of manganese dioxide, oxygen and water

Q: Where are they good catalysts and why?? THanks!: A catalyst is a substance that speeds up a chemical reaction by providing an alternate reaction pathway with a lower activation energy. Catalysts appear not to take part in the reaction. Frequently, catalysts are not very reactive. Acids and bases, on the other hand, are very reactive. Acids (as H+) and bases ( as OH-) sometimes function as catalysts in some organic reactions. They appear to be catalysts because in the course of the mechanism H+ or OH- is regenerated.

Q: What is the reaction in chemistry?: Industrial production of ammonia, ethanol, industrial synthesis of ammonia, ethanol catalytic oxidation, acetaldehyde oxidation into acetic acid, ethyl acetate preparation, the transformation of automobile exhaust, benzene substitution reaction and addition reaction, some other addition reaction of hydrocarbons, Ethanol dehydration to produce ethylene and so on

Q: A substance involved in chemical reflection, but reflects the quality of the material before and after the change, you say it is a catalyst?: The role of the catalyst is to change the reaction rate of the chemical reaction, which itself does not participate in the reaction! The

Q: how a catalyst can provide a new route in forming the product?: A catalyst will almost always provide an alternative route for the reaction in question. It is common to hear the statement that a catalyst does not take part in a reaction, but that is almost always untrue. Properly defined, a catalyst is a species that alters the rate of a chemical reaction and which can be recovered unchanged BY MASS at the conclusion. In other words, the amount of catalyst present at the end of the reaction is the same as the amount at the start, but the catalyst itself has likely reacted many many times as the reaction proceeded. A simple example is the decomposition of hydrogen peroxide. The reaction taking place can be summarised as: 2 H2O2(l) ---2 H2O(l) + O2(g) This reaction is very slow under normal circumstances. However, if you drop in a crystal of potassium iodide, the reaction becomes extremely fast. The reason is that the potassium iodide dissolves and dissociates releasing iodide ions. These provide a new two-step reaction pathway in which both steps are rapid: H2O2 + I- ---H2O + IO- H2O2 + IO- ---H2O + O2 + I- Notice that if you add these equations together you get the same overall reaction as before. The iodide ion does not take part in the overall reaction, and so must be present at the end. However, it does take part in the mechanism of the reaction, and is undergoing a lot of reactions.

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: 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.

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