MIL-PRF-131K Type I Class I

NSN 8135-00-282-0565 (Rolls of material)

Structure: OPP/PE/Foil/PE

Meets all of the requirements of MIL-PRF-131K Type I Class 1. Intended for applications requiring a flexible, heat-sealable barrier material with low MVTR. FR-2175 can be fabricated into pouches and used for protection of extremely critical items and materials. DMF#14943

Physical Properties

Property 

Typical Value 

Unit of Measure 

Test Method 
Caliper

5

mils
Tensile (MD)

34

lbs at break

ASTM D-882
Tensile (CD)

29

lbs at break

ASTM D-882
Tear (MD)

64

grams

ASTM 689
Tear (XMD)

64

grams

ASTM 689
MVTR

0.0006

g/100sq in/24hrs

Mocon
O2TR

0.0006

g/100sq in/24hrs

Mocon
Puncture

15

lbs

FED TM2065
Seal Strength375 °F: 26 psi: 1 sec

10

lbs/in

ASTM D-882
Yield

5400

sq in/lb
Standard Sizes: 36″x 200 ly, 48″x 200 ly Disclaimer: The data presented refers to typical values only and should serve only as a guide and does not encompass normal variability, or constitute any warranty. We urge purchasers to conduct tests for suitability in their specific end use.