Chemical composition in approx. Weight% (main components) Sio2 b2o3 na2o + k2o al2o381 13 4 2Chemical data: Hydrolytic class 1Acid class 1Alkali class 2
Chemical composition in approx. Weight% (main components)
Sio2 b2o3 na2o + k2o al2o3
81 13 4 2