... respects of Mechanical Strength, Anti-Wearing, Corrosive Resistance ,Electricity Isolation, Heat Expansion Coefficient, Heat Stability, Temperature Resistance etc, which are far better than ... Hue3)100% Brightness, nearly Zero Water Absorption4)Anti-Weathering, Acid Resistance, Alkali Resistance, Durable5)High Density, High Compress Strength, even several times ...