... Ratio; 4), Good Roundness. Product Introduction:1) Oil fracturing proppant is one kind of ceramic particle product with high ... grinding, mixed with various additive, then refined, granulation.Oil fracturing proppant is a perfect substitute of natural quartz sand, glass ... /69MPa/86MPa/100MPa high, medium and low intensity oil fracturing proppant. By the unique grinding and high temperature sintering, ...