... gas-proof machine 防瓦斯型电机 gas-proof film 气密膜 gas-proof sealing 气密密封 ...
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Biax-orientation Nylon6(BOPA) film is a new type of top grade packaging material with outstanding properties including cold-proof, heat-proof, oil resistance and good gas, water vapor barrier etc.
双向拉伸尼龙6薄膜是一种具有耐寒、耐热、耐油、抗刺穿以及对气体和水蒸气阻隔性优良等性能的新型高档包装材料。
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