... (g/cm3):1.35-1.4 2.Size:3,6,10,13,19,25,38,50mm 3.ISO 9001:2008 ... 4.Acid resisitance(%):>99.6% Hardness-9.5 Grinding Ceramic Ball, Inert White ... .5<4>0.5TiO2 <0.5<0.1<0.10.5Leachable Iron (%) <0.1<0.001<0.001 ... .21>2.89>3.21>51 inch (25mm)>6.07>6.22>4.89>5.33>81-1/2 inch ... time: Stock-1-3days after getting the payment.Customized:10-15days after getting the payment in advance or making ...