... material, with the characters of light volume, high compressive strength. Shale ceramsite is also called high tensile ceramsite, which ... saving material, with the characters of light volume, high compressive strength, low thermal conductivity, no radiation. corrosion resisting, low bibulous ... 6.5 MpaStrength label25-40MpaWater absorption<8% Anti-seismic Strength Ceramsite (recycled concrete aggregate)