MLL-PRF-121, TY 1 & TY 2 Barriersjpg

Waterproof Barriers

MidSouth Packaging offers a wide range of waterproof barriers and packaging products to meet the requirements of our military and industrial customers around the globe.

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MIL-PRF-22191, TY 2 is a transparent, flexible, heat sealable barrier used in packaging where minimal moisture protection is needed.
MIL-PRF-22191, TY 1 is a clear, flexible, heat sealable film lamination used in applications where superior protection is critical.
#1 Creped Kraft is a Heavy duty barrier used for protecting parts from air, light, and moisture. Formerly MIL-B-121F, TY 1, GR A, CL 2.
MIL-PRF-121F, TY 2, GR A, CL2 is a Creped Kraft (15%) and used for wrapping and packaging parts to protect against air, light, and moisture. Formerly MIL-B-121, TY 2, GR A, CL 2.
PK18/#2 Flat is a Kraft/Polyethylene barrier used by aerospace and military installations for packaging parts to protect from air, light, and moisture.
PK1/#1 Flat meets all specifications of MIL-PRF-121, TY 1, GR A, CL 1. Flexible, heat sealable, roll stock and bag stock.
Marvelseal 1312 meets all requirements of MIL-PRF-131K, CL 2.
Marvelseal 1311B meets all requirements of MIL-PRF-131K, CL I and provides superior tear and puncture resistance.
Marvelseal 585 meets all requirements of MIL-PRF-131K, CL 1 and provides excellent protection from air, light, and moisture.
HD100 meets all requirements of MIL-PRF-131K, CL 1 and is a heavy duty flexible, water vapor-proof, greaseproof, and heat sealable barrier.
GRADE 2175 meets all requirements of MIL-PRF-131K, CL 1 and is heat sealable. It offers excellent barrier properties and is used to protect critical components from air, light, and moisture.
Marvelseal 360 is a heat sealable barrier that provides superior tear and puncture resistance from air, light, and moisture.
Marvelseal 470 meets MIL-PRF-131K, CL 1 and provides superior tear and puncture resistance as well as protection from air, light, and moisture vapor.