This material provides good protection against corrosion and oxidation, used on items requiring moderate protection against the environment. As a clear material for food packaging it has a mylar (polyester) outer layer for moisture protection. The dry lamination processmakes this material suitable for boiling, freezing, or use in a microwave.


Total Thickness 5.0 mils
WATERVAPOR TRANSMISSION RATE (FED STD 101) 0.4 gr./100in2 /24 hrs
O2TRANSMISSION RATE (ASTM 0-3985) 0.5/cc/100in2/24 hrs.
TENSILE STRENGTH (TAPPI T-404, TS-66) 12.5 lb. (5.6kg)
TEAR STRENGTH (T-414, TS-65) MD/CD 35 gm
PUNCTURE STRENGTH (FED STD 101 METHOD 3030) 24 lb. (10.8 kg)
BURSTING STRENGTH (TAPPI T-403, TS-63) 48 lb./in2

IMPAK CORPORATION makes no warranty, expressed or implied, as to the suitability of these materials for any specific use. The values shown above were developed from random samples taken from production material. We believe them to be typical for the product. Actual values may vary somewhat from those depicted here. Customers should determine product suitability based upon their own internal criteria.