国产亚洲精久久久久久无码色欲_亚洲爆乳无码av一区二区九色_91久久久_国产午夜无码激Av毛片 国产自国产自愉自愉免费24区,欧美一线高本道高清免费,色拍自拍亚洲综合图区,国产真实露脸乱子伦

Technical Support

Common physical properties of flexible packaging material
  Barrier properties strength function
Water and gas oxygen general Stiff Hypothermia high temperature Transparent forming Sealing print Paul Shannon
paper   × × 〇 ◎ ◎ ◎ × × × ×◎ ×
metal AL ◎ ◎ × × ◎ ◎ × 〇 × ◎ ◎
film OPP 〇 × ◎ ◎ △ △ ◎ × US ◎ ×
CPP 〇 × 〇 〇 × △ ◎ ◎ ◎ 〇 ×
PET 〇 〇 ◎ ◎ ◎ ◎ ◎ × × ◎ ◎
ONY △ 〇 ◎ 〇 ◎ ◎ ◎ × × 〇 〇
CNY × △ ◎ △ 〇 ◎ 〇 ◎ × △ 〇
LDPE 〇 × △ ×△ 〇 × 〇 ◎ ◎ △ ×
HDPE 〇 × 〇 △〇 〇 △ △ 〇 〇 △ ×
PVDC ◎ ◎ ◎ × 〇 〇 ◎ ×〇 W 〇 ×
PVC 〇 × 〇 △ 〇 △ ◎ ◎ W 〇 〇
PVA × ◎ ◎ 〇 〇 〇 ◎ 〇 × △ 〇
EVOH × ◎ ◎ 〇 〇 △ ◎ 〇 × △ 〇
OPS △ × ◎ ◎ 〇 〇 ◎ ◎ 〇 〇 ×
PVDC KOP ◎ ◎ ◎ ◎ △ △ ◎ × 〇 ◎ 〇
Coating KPET ◎ ◎ ◎ ◎ ◎ ◎ ◎ × 〇 ◎ ◎

◎：excellent 〇：good△：general×：badUS：Ultrasonic SutureW：High Frequency Sealing