Characteristics environmentally friendly, high hygroscopicity, grain size varies according to need. Application: insulation glass Parameters: Grain size (φ): 0.5-1.0, 1.0-1.5, 1.5-2.0, 2.0-2.5 Bulk density (g/ml): 0.65-0.8 Static water absorbance: ≤ 22% Compressive strength (N/Grain):...