澳洲5开奖走势
36â€x200 Yard MIL-PRF-131 TYPE 1 CLASS 1 NSN#8135-00-282-0565 BARRIER MATERIALS, WATERVAPORPROOF, GREASEPROOF, FLEXIBLE, HEAT-SEALABLE. This material (MARVELSEAL FR-2175) 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 structure specifically designed to meet the requirements of military packaging standard: MIL-PRF-131 Type 1, Class 1.
