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:put in a way that a freshman in high school can understand please =): Enzymes are actually biological catalysts composed of hundred of amino-acids, which are produced by living organisms. They are responsible for a number of reactions and biological activities in plants, animals, human beings and micro-organisms. There are also chemical catalysts that interact with other reactants and modify them without being changed themselves.

Q:Is there a catalyst for a chemical reaction?: There may be many, but some of the catalytic effect of the catalyst is good, and perhaps some of the catalyst has not been found

Q:What is a chemical catalyst?: A substance that participates in chemical reactions but does not change the quality and chemical properties. It can change the reactant activation energy, speed up or slow down the reaction rate.

Q:I think doubling the concentration of catalyst will double the rate of a reaction (K2/K1 =2). I want to confirm. This is for my project work. Please reply as soon as possible.: A catalyst speeds up a chemical reaction by providing an alternate reaction pathway with a lower activation energy, thus increasing the number of collisions that can result in the formation of product. When the catalyst is a reactant in the rate determining step, and the reaction is first order in the catalyst, then a doubling of the concentration will double the rate. But if the rate determining step which includes the catalyst is not first order, then doubling the concentration won't double the rate. Then there is the case of a heterogeneous catalyst in which the reaction is essentially zero order in the catalyst. The amount of catalyst won't affect the speed of the reaction beyond the initial increase. The mere fact that the catalyst is present speeds up the reaction.

Q:Especially how can i explain the experiment with a paper and 2 paperclips with the paper acting as the catalyst.: Catalysts lower the activation energy of a given chemical reaction, thus speeding it up

Q:What is the superiority of the catalyst compared to the stoichiometric reagent?: Mildness: means that the chemical reaction catalyzed by the enzyme is generally carried out under relatively mild conditions

Q:and what type of macromolecule are they made of? thanks!: A catalyst is any substance that speeds up a chemical reaction without otherwise changing the outcome of the reaction. Catalysts do this by lowering a reaction's activation energy (which is the energy barrier that must be overcome before the reaction can proceed spontaneously). Catalysts are not permanently changed by the reactions they catalyze, so one catalyst could reasonably catalyze the same reaction many times over. Enzymes are biological catalysts because they lower the activation energy of metabolic reactions (and therefore increase their rate). Every enzyme has an active site that is specific for a particular substrate, or for a small related group of substrates. When the correct substrate binds to the active site, the enzyme catalyzes a particular reaction and releases new products. Substrates that don't match the shape of the enzyme's active site usually won't be affected by the enzyme. Enzymes are proteins, which are in turn polymers of amino acids. The sequence of amino acids in an enzyme, as well as the three-dimensional structure of the polypeptide chain, are essential for determining the enzyme's functionality. I hope that helps. Good luck!

Q:What about the chemical reaction of the catalyst if there is no catalyst?: The catalyst used to heat and hold, the material will not react between.

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:i keep messing up on those 2 simple things haha i would apprecaite some help.: A catalyst is a substance that affects the rate of a reaction. It may participate, but cannot be consumed in the reaction. For example, KMnO4 catalyzes the breakdown of H2O2 into H2O and O2. In the end, as much KMnO4 exists as did in the beginning. An enzyme is a biochemical reagent that allows an organism to convert a compound into other compounds. This is part of metabolic processes. For example, maltose (a sugar composed of a chain of two glucose molecules) can be broken down into glucose by the maltase enzyme. Unlike a catalyst, enzymes may or may not be consumed/altered in the metabolic processes.

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