... mesh ≥ 2.090Number of grain/400cm 2 ≤40Plasticizer absorbency value of 100g resin19Whiteness %,≥75Conesponding Polymerization Degree1000-1100 4.Package: 25kg ... bar, hard tube and decorative materials, Rigid plate, gramophone record, value and welding rod, PVC pipes, PVC windows, doors ,etc. ... being polluted and would not be leakage. The conveyance should set van and should be clean. To avoid rain and ...