Description
MIL-PRF-131 TYPE 1 CLASS 1
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.