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Poly Kraft Roll / PK1, 121

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 Strength@

520 F; 60psi; ¾ sec

4.0

lbs/in

ASTM D882

Caliper

~7.0

Mils

 

Yield

4,965

sq in/lb

 

 36”X100 and 200 yd                              48”X100 and 200 yd

 

 

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Resources>MIL SPEC Data Sheets>Poly Kraft Roll / PK1, 121
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