Qingdao Cairui Chemical Material Co.,Ltd
Qingdao Cairui Chemical Material Co.,Ltd
When used in binder, CMC can improve its viscosity, make it easier to shape up, increase 2-3 times of its fracture resistance, and improve its stability. Also, the usage of CMC in machining operation ceramics can reduce the processing cost. What¡¯s more, the addition of the ¡°modified CMC¡± can make the water in the binder evaporate evenly, prevent the binder from dry and crazing, which in turn can increase the rates of the superior products.
In the production of ceramics, CMC is used in the idiosome of the ceramics, the glaze slip and fancy glaze. The recommended dosage of CMC in the idiosome of the ceramics, the glaze slip and fancy glaze is 0.03-0.2£¥, 0.05-0.2£¥, and 1.4-4.0£¥ separately.
CERAMIC GRADE CMC SPECIFICATION
Type Items | CH-1 | CH-2 | CH-3 | CH-4 | CH-5 |
Viscosity of 2% solution (25¡æBrookfield)£¬mPa.s | 300-500 | 500-1000 | 1000-2000 | 2000-3000 | >3000 |
Degree of Substitution (D.S) | 0.70-0.80 | 0.80-0.90 | ¡Ý0.9 | >1.0 | 0.80-0.90 |
Purity, % | ¡Ý70 | ¡Ý90 | ¡Ý98 | ¡Ý98 | ¡Ý98 |
PH (25¡æ, 1% solution) | 8.0¡ª11.0 | 6.0-8.5 | |||
Loss on Drying, % | ¡Ü10 | ||||
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