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Carboxymethyl Cellulose

uses of carboxymethyl cellulose CMC Paper-making Grade

CMC Paper-making Grade
Product Details:

Jiangsu Shangyong New Material Co., Ltd, with professional cmc paper-making grade factory, is a leading China cmc paper-making grade manufacturer and supplier, we are able to offer you best price products.

1.Paper making grade sodium carboxymethyl cellulose (CMC)
Made from natural cotton fibers, through etherification, purification and drying process, Sodium carboxymethyl cellulose (CMC) is a highly efficient paper making additives which has food water retention, dispersion and excellent shear thinning. So it can be used in pigment coating, pulp adding, surface sizing and other process.

2. Commodity information
Name: Carboxymethyl Cellulose (CMC)
Other name: Sodium Carboxymethyl cellulose (SCMC); Na-CMC; Carboxy Methyl Cellulose; sodium salt of Carboxymethyl Cellulose; Carboxymethylcellulose sodium; Paper-making grade CMC
Molecular formula: C8H16NaO8
CAS No.: 9004-32-4
HS CODE: 39123100

3. Function in paper-making field
A. Pigment coating
1) Improve the solid content of coating and the coating speed.
2) Enhance the water retention of the coating.
3) Improve the gloss of the coating layer and the whiteness of the paper.
4) Improve the quality of coating, prolong the service life of blade.
B. Pulp adding
1) Shorten the beating time.
2) Adjust the pulping potential, improve the paper forming.
3) Improve the retention ratio of all kinds of the additives, filler and fiber fines.
4) Increasing the adhesion strength between the fiber and improve the physical properties of paper.
5) Increasing the adhesion strength between the fiber and improve the physical properties of paper.
6) Improve the dry and wet strength of paper.
7) Enhance sizing effect.
C. Surface sizing
1) Reduce the paper pores, improve the oil resistance of paper
2) Increase the brightness and glossiness of the paper.
3) Increase the stiffness and smoothness of the paper.
4) Improve the paper’s surface strength and abrasion resistance, reduce dropping off powder, improve the quality of printing.

4. Characteristics
a) Finely powder and low free fibers.
b) High degree of substitution, better uniformity of substitute.
c) Good compatibility.
d) Easy soluble in water.
e) Nontoxic, odourless, no pharmacological function, harmless to physical body.

5.Technical index.

Types

Items

Viscosity, cps Brookfield

pH

Moisture %

Degree of substitution

Chloride (As Cl-)

PM-P1

500-1500 (4%)

6.0-8.5

≤ 10.0

≥ 0.60

≤ 1.8

PM-P2

1000-2500 (4%)

6.0-8.5

≤ 10.0

≥ 0.70

≤ 1.8

PM-P3

≤ 20 (2%)

6.5-9.0

≤ 10.0

0.9-1.1

≤ 1.8

PM-CZ

250-500 (4%)

6.0-8.5

≤ 10.0

≥ 0.80

≤ 1.8

PM-Z1

1000-2000 (4%)

6.0-8.5

≤ 10.0

≥ 0.80

≤ 1.8

PM-Z2

2000-4000 (4%)

6.0-8.5

≤ 10.0

≥ 0.80

≤ 1.8

PM-Z3

400-1000 (2%)

6.0-8.5

≤ 10.0

≥ 0.80

≤ 1.8

PM-C1

20-50 (4%)

6.0-8.5

≤ 10.0

≥ 0.85

≤ 1.8

PM-C2

100-250 (4%)

6.0-8.5

≤ 10.0

≥ 0.85

≤ 1.8

6. Package
Packing: 25kg per kraft bag with PE inner or according to customers’ demands.

7. Storage
1) Store in a cool, dry, clean, ventilated environment.
2) Material must be handled as a Industrial chemical, wearing protective equipment and observing the precautions as mentioned in the MSDS.
3) The products should be prevented from water and avoided damaging during transportation.

 



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