Sodium carboxymethyl cellulose (CMC-Na) is a carboxymethylated derivative of cellulose, which is the most important ionic cellulose gum.
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Introduction
Sodium carboxymethyl cellulose (CMC-Na) is a carboxymethylated derivative of cellulose, which is the most important ionic cellulose gum. It is an anionic polymer compound made from reaction of natural cellulose, caustic alkali and monochloroacetic acid, whose molecular weight varies from several thousand to millions. It is a white fibrous or granular powder, odorless, tasteless, hygroscopic, and easily to disperse in water to form a transparent colloidal solution.
Packing specifications
● Net weight: 25KGS/ composite kraft paper bag
Physical properties and chemical index
|
Model Index |
FH-9 |
FVH6 |
FVH9 |
ST12 |
ST16 |
C1592 |
RP-5 |
TH-10 |
|
Viscosity(1% aqueous solution,Brookfield-LVT,25℃), mPa.s |
200-500 |
≥500 |
≥500 |
250-500 |
500-2000 |
500-2000 |
30-100 |
250-500 |
|
Degree of Substitution |
≥0.90 |
0.20-1.50 |
≥0.90 |
≥0.75 |
≥0.75 |
≥0.92 |
≥0.80 |
≥1.0 |
|
PH(10g/L aqueous solution) |
6.0-8.5 |
6.0-8.5 |
6.0-8.5 |
6.5-8.0 |
6.5-8.0 |
6.5-8.5 |
6.0-8.5 |
6.5-8.0 |
|
Moisture, % |
≤10.0 |
≤10.0 |
≤10.0 |
≤10.0 |
≤10.0 |
≤10.0 |
≤10.0 |
≤8.0 |
|
Chioride (CL), % |
≤1.2 |
≤1.2 |
≤1.2 |
≤9.0 |
≤2.0 |
1.7-2.5 |
≤1.8 |
≤3.0 |
|
Arscnic(As), % |
≤0.0002 |
≤0.0002 |
≤0.0002 |
- |
- |
- |
- |
≤0.0002 |
|
Lead(Pb), % |
≤0.0005 |
≤0.0005 |
≤0.0005 |
- |
- |
- |
- |
- |
|
Heavy metal(Pb),% |
≤0.0015 |
≤0.0015 |
≤0.0015 |
- |
- |
- |
- |
≤0.0015 |
|
Iron(Fe), % |
≤0.02 |
≤0.02 |
≤0.02 |
- |
- |
- |
- |
≤0.02 |
|
Appearance |
White or slightly yellow fibrous powder |
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Feature
1. Viscosity: CMC increases the viscosity of aqueous solutions even at low concentrations.
2. Solubility: CMC is very soluble in cold water, forming a viscous solution.
3. Biodegradable: Since CMC is derived from cellulose, it is biodegradable and environmentally friendly.
4. Grades: CMC is available in different grades, depending on the degree of substitution (the extent to which carboxymethyl groups are added to cellulose) and viscosity.
Remarks
● Custom sodium carboxymethyl cellulose s are available upon user's order.
● All the information is for reference only. We shall not be liable for any direct, incidental or consequential losses caused by the use of this information.
Applications
Sodium carboxymethyl cellulose is Widely used as thickener for coatings, mud treatment agent for oil industry drilling, synthetic detergent, organic builder, textile printing and dyeing sizing agent, water-soluble colloidal tackifier for daily chemical products, tackifier and emulsifier for pharmaceutical industry, thickener for food industry, adhesive for ceramic industry, industrial paste, sizing agent for paper industry, etc.
'Based on domestic market and expand overseas business' is our development strategy for Sodium Carboxymethyl Cellulose CMC for Toothpaste Industry. We adhere to the business philosophy of 'taking the market as the basis for development, and regarding product quality as the life of the enterprise', continue to develop and innovate, and gradually form specialization, serialization and scale production of products. We are expecting to cooperate with you on the basis of mutual benefits and common development.
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