Poly Kraft #1 / PK1
MIL-PRF-121 TYPE I
Barrier Material: Waterproof, Greaseproof, Flexible, Heat-Sealable, Type 1
Structure description: 60# Natural Kraft Paper/PE
Physical Properties
PROPERTY |
TYPICAL VALUES |
UNITS |
TEST METHOD |
Tensile Strength MD &n bsp; &nb sp; XMD |
10.0 30.0 |
Lbs. at break |
ASTM D882 |
Tear Strength MD &n bsp; SMD |
160.0 200.0 |
g |
ASTM 689 |
Burst |
50 |
psi |
Mullen |
Seal [email protected] 520 F; 60psi; ¾ sec |
4.0 |
lbs/in |
ASTM D882 |
Caliper |
~7.0 |
Mils |
|
Yield |
4,965 |
sq in/lb |