VitroBloc™ -400

Amorphous calcium aluminosilicate glass powder. Acts as mineral filler. It is made from post-industrial sources of reinforcement fiberglass by-products and is free from contaminants associated with post-consumer curb side glass. VitroBloc™ -400 is a pure glass, free of crystalline silica or other impurities. It is finer than 40 µm top size with a very low level of minus 5 µm fines. Has total alkali content (Na2O + K2O) less than 1.5%, excellent blocking and clarity properties utilizing a recycled powder.