澳洲5开奖结果直播
MIL-PRF-131 TYPE 1 CLASS 3 SCRIM/FOIL NSN# 8135-00-702-3158 BARRIER MATERIALS, WATERVAPORPROOF, GREASEPROOF, FLEXIBLE, HEAT-SEALABLE. This material ( ) is an opaque, water vapor proof, and heat sealable material that provides protection for delicate items susceptible to corrosion damage. It is a QPL listed film / foil / scrim structure specifically designed to meet the requirements of military packaging standard: MIL-PRF-131 Type 1, Class 3.
