1.Paste extrusion 2.polymer material ,fluorine industry materials 3.dongyue 20kg/barrel ... 201 Item DF-201 ExcellentGrade AQualified1Smoothness & CleanessWhite sheet surface,fiber isaverage,no gravel and metalicpowder,even sheet texture ≤1 ... formechanical impurity(≥0.5mm)ororganic impurity(≥2mm) White sheetsurface,fiber isaverage,no graveland metalic powder,allow0.5mm mechanicalImpurity.2Tensile ...