Resistance in the gas cylinder scour capability, and always maintain good thick enough oil film.
抗气缸中气体的冲刷能力优良，始终保持足够厚的油膜。
2
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.