La description
Product Name: Textile Grade Carboxy Methyl Cellulose(CMC)
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Product Description:
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CMC appears to be white or light yellow powder, which is odorless
and non-toxic. It is soluble in cold or hot water. When it
solutes, some colloidal solution will appear, which is neutral or
slightly alkaline. The important feature of CMC is that it can
form colloid solution with high viscosity. Many factors
influencing its viscosity are concentration, PH, temperature,
substituted ratio and salts, etc.
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Performance and Characteristics of Products:
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a) Appearance: White or light yellowish fiber powder or white
powder with characteristics of odorless, tasteless and non-toxic.
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b) Solubility:
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- Soluble in cold or hot water to form a gel, the solution is
neutral or slightly alkaline.
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- Insoluble in ethanol, ethyl ether, isopropyl alcohol, acetone
and other organic solvents.
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- Soluble in ethanol or acetone solution of *0% moisture.。
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- Physical Property: Â Hygroscopicity and stability to heat
and light.
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- Viscosity: Viscosity decreases with temperature increase.
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Solution PH value:
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Stable when solution PH value arranged 2 to *0;
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Solid precipitates when solution PH less than 2;
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Viscosity reduce when solution PH higher than *0;
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c) Color-change Temperature: **7℃
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d) Carbonization Temperature: **2℃
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e) Surface Tension: *1 mn/n in 2% aqueous solution.
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Application:
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Textile, printing and dyeing industry
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Used as sizing agent to be applied to light gauze of cotton, silk
and wool , chemical fiber, blended and other materials.
As fabric finishing agent, CMC can replace starch slurry, reduce
the pollution to the environment in the fabric sizing and desizing,
form a thin film on the fabric; CMC film with moisture absorption,
increased the plastic fabric, reduce yarn "jump" on high speed
loom, the phenomenon of yarn faults.
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Hong Kong |
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