Proppant is spherical, its Ceramic proppants sphericity greater than equal to 0.8 , the apparent density of not less than 2.70g/cm3, a bulk density of not less than 1.60g/cm3. It 's the acid solubility of less than or equal 7.0% ( according to ISO9001: 2008 standard ) . It turbidity less than or equal 100FTU. Broken rate is greater than or equal 52Mpa (7500psi) next . Ceramic proppant called oil fracturing proppant . After proppant sand manufacturers deep mining in the oil and gas , high pressure low permeability deposit after closing fracturing treatment, the rock cracked petroleum , oil and gas from the cracks in the channel formed by the collection of out of the fluid injected into the rock at this grassroots needs to exceed formation fracture compressive strength , making the rock around the wellbore cracks , forming a high-level flow channel has the ability , in order to maintain after fracturing the formation of cracks in the open , the oil and gas product can smoothly pass.
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