... and proof,acid and alk ali proof Crystal baking plateHigh temperature froof,wear and proof, ... go through,are its significant characteristics.the fusing crystal is consisted by the original granules under ... high temperayure that exceeds 1800.The content of crystal(whose molecular formula is SiO2)reaches as ... and food wont not stick on it,Crystal olate for roasting is a kind of environmental,fashionable ...