CMC is used as a coagulant, water-retaining agent, thickner and stabilizer for ceramic. CMC is used in Ceramic embryo, glazing pulp, coloured glaze separately in ceramic production.Â
Although Sodium CMC is more resistant to microbiological attack than other water-soluble, its solution is not immune. When solution is stored, a preservative should be added to prevent viscosity degradation.Â
TypeItemColourActive MatterDegree
of SubstitutionpH of 1% solutionViscosity in 2% solutionMoisture
LVB
White
55% Min.
0.6
7 to 10
4o to 80
cps
10% Max.
ULC
White
88% Min
0.7
6 to 8
20-30 cps
(1%solution)
10 % max
LV
White
90% min
0.7
6 to 8
40-80 cps
(1%solution)
10 % max
MV
White
90% min
0.7
6 to 8
80-200 cps
(1%solution)
10 % max
HV
White
90% min
0.7
6 to 8
300-350 cps
(1%solution)
10 % max
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