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Sodium Phosphate

Description: DEFLOCCULANT

Notes

Na2HPO4 12H20
A highly effective deflocculant for thin glaze and enamel slips. Tetrasodium pyrophosphate (Na2P2O7) is a similar material. Sodium hexametaphosphate is commonly available under the trade name Calgon. It is a water soluble sodium phosphate glass and is used in glaze, slips, as a deflocculant, and as a dispersing agent in industrial ceramic materials testing and processing.

Related Information

Links

Oxide Analysis Formula
Typecodes Additives for Ceramic Glazes
Materials that are added to glazes to impart physical working properties and usually burn away during firing. In industry all glazes, inks and engobes have additives, they are considered essential to control of cohesion, adhesion, suspension, dry hardness, surface leveling, rheology, speed-of-drying, etc. Among potters, it is common for glazes to have zero additives.
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