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Carboxyl methyl Cellulose(CMC) (500613)
Details:

Properties

1. Appearance: White or light yellow powder, odorless and tasteless.

2. Particle size: Passage rate of 80meshes is more than 98.5%.

3. Packing density: 0.2-0.65g/cm3.

4. Thermal stability: Thermochromic temperature is 227°C , carbonization temperature is 252°C .

5. Water solubility: easily dispersed in water and turn into transparent colloidal solution, insoluble in organic solvents         such as ethanol.

6. Surface tension: the surface tension of 2% aqueous solution is 71dyn/cm.

7. It is very stable as the emulsion thickening with good dispersion.

8. Good compatibility, has better compatibility with glue, resin and other water softener.

9. It is forbidden to use this product together with strong acid, strong alkali, heavy metal ions (such as aluminum, zinc,     mercury, silver, iron, etc.).

10. It has no pharmacological effect itself, non-toxic, and harmless to physiology.
 

Specifications

Grades

Highest viscosity

High viscosity

Medium viscosity

Low viscosity

500613-VH

500613-H

500613-M

500613-L

Viscosity(mPa·s)

≥500

1% water solution

200-500

1% water solution

400-2000

2% water solution

25-400

2% water solution

Item

Index

Viscosity(2% water solution) mPa·s    ≥

25

Degree of substitution

0.20-1.50

pH value (10g/L solution)

6.0-8.5

Moisture %         ≤

10.0

Chloride(Cl) %      ≤

1.2

Arsenic(As) %        ≤

0.0002

Lead(Pb) %         ≤

0.0005

Heavy metal(Pb) %       ≤

0.0015

Iron(Fe) %                ≤

0.02

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