高强度气柱袋底膜(High strength bottom film of air column bag)

用于缓冲包装材料，通用气柱袋底膜；高强度，减薄约30%，气密性佳，承压能力提升30%.Apply to the buffered packing material and used for the bottom film for universal air column bag High strength, thinning by 30%, good air tightness, pressure-bearing capacity improved by 30%.