Characteristic and Producing Principle of Mullitoid Polishing Powder

A new kind of gem polishing powder produced with kaoline is introduced in detail including its producing principle, evaluation, basis, constitute, primary producing conditions and polishing effect. The examination proves that this new kind of polishing powder is harmless to people, polluteless to gems and environment; what's more, its producing cost is relatively low, so the corporations, the teaching and researching units can take it into condition.