Paper-making Grade CMC

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1.Sodium Carboxymethyl Cellulose(CMC) for Papper-Making Industry
Sodium Carboxymethyl Cellulose is widely used in papper-making industry.CMC is a high-efficiency paper-making auxiliary, and features good moisture retention, dispersibility.
Sodium Carboxymethyl Cellulose for Paper Making Industry
Sodium Carboxymethyl Cellulose is used in paper making industry as paper sizing agent, it can obvious increase the dry intensity wet strength, oil resistance, ink absorbance and water resistance of the paper.

2. Commodity Name: Sodium Carboxymethyl cellulose
CAS No.: ?9004-32-4?
E No.: ?E466?
Molecular formula :[C6H7O2(OH)2OCH2COONa]n
Synonyms: Carboxymethyl Cellulose, Carboxy Methyl Cellulose, CMC, Sodium CMC, Na-CMC
HS Code: 39123100
3. Description
Sodium Carboxymethyl Cellulose is a cellulose derivative with carboxymethyl groups bound to some of the hydroxyl groups of the glucopyranose monomers that make up the cellulose backbone. It is often used as its sodium salt, sodium carboxymethyl cellulose.
4. Type and Specifications
Papper-Making CMC
Types

Specification P1 P2 P11 P12
Appearance White or Yellowish Powder
D.S 0.7-0.9
Viscosity (mPa.s) 10-50 50-120 10-50 50-200
2% solution testing 4% solution testing
PH (25°C) 6.5-8.5
Moisture(%) =7.0
Purity(%) =98.0

5. Properties
1). Pigment coating
•Control and regulate the rheology of coatings and dispersibility of pigments .
•Get pseudoplasticity of coatings .

Types Specification	P1	P2	P11		P12
Appearance	White or Yellowish Powder
D.S	0.7-0.9
Viscosity (mPa.s)	10-50	50-120		10-50	50-200
	2% solution testing			4% solution testing
PH (25°C)	6.5-8.5
Moisture(%)	=7.0
Purity(%)	=98.0

•Improve the moisture retention of coatings .
•Has excellent film forming property.
2). Intracytoplasm adding
•Improve jordaning efficiency, shorten pulping time .
•Regulate electric potential of pulp .
•Improve the retention rate of additives, fillers etc.
3). Top sizing
•Has excellent rheology and film forming property .
•Reduce air hole on paper surface .
•Improve the brightness and gloss of paper .
•Enhance the stiffness and smoothness of paper .
•Increase the surface strength and abrasion resistance of paper .

6. Characteristics
In paper industry, CMC used for paper coating. It is useful for the dispersing and flowing of the pigments, enhancing the finish and smoothness of the printing quality. It is used for surface sizing to strengthen the paper and reduce the printing dusts. It can increase moisture and improve retention rate in pulping.
7. Package
Packing:25kg kraft paper bag, or other packing as clients request.
8. Storage
1.Store in a cool, dry, clean, ventilated environment.
2.The product should not be put together with toxic substance and harmful substance or substance with peculiar smell during transportation and storage.
3. Since the date of production, a preservation period should not exceed 2 years for the industrial product.
4. The products should be prevented from water and package bag damaging during transportation.

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Changzhou Guoyu Environmental S&T Co.,Ltd

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