- 密度 [g/cm3]: 1.16
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.16 g/cc | 0.0420 lb/in³ | Yield Density |
Water Vapor Transmission | 357 - 403 g/m²/day | 23.0 - 26.0 g/100 in²/day | 100°F / 100%RH); ASTM F1249 |
Oxygen Transmission Rate | 54.0 - 70.0 cc/m²/day | 3.48 - 4.51 cc/100 in²/day | 77°F / 0% / RH; ASTM D3985 |
Thickness | 12.2 microns | 0.480 mil | |
Surface Tension | >= 50 dynes/cm | >= 50 dynes/cm | untreated side; ASTM D5946 |
>= 56 dynes/cm | >= 56 dynes/cm | treated side; ASTM D5946 | |
Mechanical Properties | Metric | English | Comments |
Film Elongation at Break, MD | 60 - 90 % | 60 - 90 % | ASTM D882 |
Film Elongation at Break, TD | 60 - 90 % | 60 - 90 % | ASTM D882 |
Secant Modulus, MD | 2.413 - 3.916 GPa | 350.0 - 568.0 ksi | ASTM D882 |
Secant Modulus, TD | 2.482 - 3.585 GPa | 360.0 - 520.0 ksi | ASTM D882 |
Coefficient of Friction | 0.17 - 0.28 | 0.17 - 0.28 | film to stainless steel; ASTM D1894 |
0.55 - 0.74 | 0.55 - 0.74 | film to film; ASTM D1894 | |
Tear Strength Test | 1100 - 1500 | 1100 - 1500 | graves tear MD, grams/mil; ASTM D1004 |
1100 - 1500 | 1100 - 1500 | graves tear TD, grams/mil; ASTM D1004 | |
Film Tensile Strength at Break, MD | 234 - 303 MPa | 34000 - 44000 psi | ASTM D882 |
Film Tensile Strength at Break, TD | 193 - 303 MPa | 28000 - 44000 psi | ASTM D882 |
Thermal Properties | Metric | English | Comments |
Shrinkage, MD | 1.6 - 2.5 % | 1.6 - 2.5 % | 320°F / 160°C - 5 minutes; ASTM D1204 |
Shrinkage, TD | 0.20 - 0.70 % | 0.20 - 0.70 % | 320°F / 160°C - 5 minutes; ASTM D1204 |
Optical Properties | Metric | English | Comments |
Haze | <= 3.0 % | <= 3.0 % | ASTM D1003 |
Gloss | 160 - 180 % | 160 - 180 % | at 20° |