Type True Density (g/cm³) Bulk Density (g/cm³) Compressive Strength (Mpa/Psi) D50 µm D90 µm Application CL CL15 0.13~0.17 0.08-0.09 3.5 / 500 85 120 Epoxy Tooling Board, Solid Buoyancy Materials(SBM),Emulsion Explosives,Car Repair Putty, Paints and Coatings CL20 0.18~0.22 0.10-0.12 3.5/ 500 65 110 CL25 0.23~0.27 0.13-0.15 5 .2/ 750 65 100 Thermal Insulation Coatings, Sealants and Adhesives, Solid Buoyancy Materials(SBM) CL30 0.28~0.32 0.15-0.18 10.3 / 1500 55 85 Thermal Insulation Coatings, Solid Buoyancy Materials(SBM) CL32 0.30~0.34 0.17-0.19 13.8 / 2000 45 80 Paints and Coatings, SMC/BMC, Sealants and Adhesives, Putty CL35 0.33~0.37 0.18-0.21 20.7 / 3000 40 70 Cementing Slurry, Low Density Drilling Fluids CL38 0.36~0.40 0.19-0.22 37.93/ 5500 40 65 Paints and Coatings, SMC/BMC, Automotive Underbody CL40 0.38~0.42 0.19-0.23 28 / 4000 40 70 Cementing Slurry, Low Density Drilling Fluids,Thermal Insulation Coatings CL42 0.40~0.44 0.21-0.24 55 / 8000 40 60 Cementing Slurry, Low Density Drilling Fluids CL46 0.44~0.48 0.23-0.26 41 / 6000 40 70 Cementing Slurry, Low Density Drilling Fluids, SMC/BMC CL50 0.48~0.52 0.25-0.27 55 / 8000 40 60 Cementing Slurry, modified plastics for automotive CL60 0.58~0.62 0.29-0.34 83 / 12000 40 65 CL60S 0.58~0.63 0.30-0.34 124 / 18000 35 55 CS CS20 0.18~0.22 0.10-0.12 6.9 / 1000 60...