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الشخص الذي يمكن الاتصال به Mr. Tony
1005, NO.8 Beijing W.R., Kaili, guangdong
BaSO4: *0 % **2% SrSO4: 1.5% max Specific Gravity: 4.***4.*3 Hg: 1 PPM max Cd: 3PPM max Moisture: 1.0% max Water Soluble Alkaline Earth Metals: A. Calcium: **0mg/kg max B. Soluble carbonates: ***0 mg/l max C. Soluble sulfides: **0mg/l max D. Clay contamination, cec (mbt): 0.*0 meq/**0g max E. Cement contamination:ph after ageing: *0 max Particle Size A. Residue greater than *5 microns: 3% max B. Particles less than 6 microns: *5% max