1,Meet to the standard of ISO9001:2008 2,Increase oil output of 30%-50% 3,AAA credit product 4,High ... on .currently ,this production is the best fracturing material for oil and gas well in reforming formation .The specification and technical ... 1.50-1.80Acid solubility % ≤5Broken rate % ≤8UsageMainly used to support fractures with reforming formation in deep oil and gas wellsIncreased permeability