... foam bag 1.material:PO+PE+EPE 2.bag style:open top 3.Antistatic,cushioning, shock absorption,waterproof PO-film-coated EPE foam ... the thermal sealing lamination of pearl sponge,PE film,and PO film can be made into coiled film material,sheet ... strength2.8-4.1Accordant3Elongation rate2%Accordant4Shrink rate %(70°C)3%Accordant5Water absorpition rate(mg/cm2)<0.07mg/cmAccordant6Thermal conductivity(KCAL ...