In ceramics it is used primarily to promote ‘stiffness’ of glazes (6-10% of silica content). Increasing firing temperature and resistance to chemical attack. In larger quantities (15% of glaze) however, produces opaque and matt effects. Also used on kiln shelves as protection against glaze sticking.
Uses of Aluminium Hydroxide
⦁ For the manufacture of aluminium and aluminium compounds
⦁ As a fire retardant
⦁ Ceramics and pottery
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