CADPAK N
MIL-PRF-131K CLASS 1
MILITARY SPECIFICATION
FILM: MIL PRF 131 C1
POUCH: MIL DTL 117 T1 CC S1
Recommended Sealing Conditions:
Temperature 500 °F | Pressure 40 PSI | Dwell 3 SEC
Barrier Material: Water vapor proof, GreaseProof, Flexible, Heat Sealable, Class 1
Application:
Cadpak N is a Strong foil barrier material used where very low oxygen and moisture levels are required. It is silver in color with red Mil Spec printing. It is used extensively used in military applications where a cost-effective, strong, high barrier material is required. Typical uses are Vacuum crating and pouches for moisture/oxygen sensitive items. Product protection inside export crating is another common application for this film.
Converting:
Cadpak N can be converted in many ways: 2-seal pouch, 3-seal pouch, side gusset, stand up pouch and tubing. Features include: recloseable zipper, tear notch, round hang hole, and sombrero hang hole.
Physical Properties:
| PROPERTIES | TEST METHOD | UNIT OF MEASURE | TYPICAL VALUE |
| Yield (Nominal) | Calculated | in²/lb | 6150 |
| Caliper | ASTM D2103 | mils | 4.2 |
| MVTR | ASTM F1249 | g/100 in²/Day @90% RH 40 C | .0005 |
| OTR | ASTM D3985 | cc/100 in²/day @ 0% RH 23 C | .0005 |
| COF (Sealant) | ASTM D1894 | Kinetic | <0.30 |
| Puncture | MIL STD 3010 | lbs | 20 |
| Tensile Strength | ASTM D882 | lbs/in | 19 |
| Breaking Strength | MIL STD 3010 | lbs (grab method) | 75 |
| Seal Strength | ASTM F88 | lbs/in | 18 |
The values indicated in this document are the results of tests made in compliance with the normal standards. They are given as an indication and should be considered as average values and given without any obligation on our part. This data was provided directly to Shannon from our film supplier.
