防水气密拉链

材质：橡胶拉链、PVC拉链、TPU拉链、PU拉链

款式：单封、双封、双开、可脱卸、U型

性能：
隔水、光、空气、灰尘等
气密性好，使用寿命长
耐酸、耐油、耐碱、抗腐蚀

Waterproof airtight zippers:

Material: Rubber, PVC, TPU, PU
Style: Close end, Open end, Divisible end, Curve zipper etc.
Feature:
Waterproof, blocked off water, light, air and dust
Excellent performance of airtight, structural durabilities
Acid, oil, alkali and abrasion resistant.