- 密度 [g/cm3]: 1.38
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.38 g/cc | 0.0500 lb/in³ | Yield Density |
Water Vapor Transmission | 9.30 - 12.4 g/m²/day | 0.599 - 0.799 g/100 in²/day | 100°F / 100%RH); ASTM F1249 |
Oxygen Transmission Rate | 6.20 - 14.0 cc/m²/day | 0.399 - 0.902 cc/100 in²/day | 77°F / 0% / RH; ASTM D3985 |
Thickness | 25.4 microns | 1.00 mil | |
Surface Tension | >= 50 dynes/cm | >= 50 dynes/cm | Corona Treatment, uncoated side; ASTM D2578 |
Mechanical Properties | Metric | English | Comments |
Film Tensile Strength at Yield, MD | 37.9 - 51.0 MPa | 5500 - 7400 psi | ASTM D882 |
Film Tensile Strength at Yield, TD | 37.2 - 50.3 MPa | 5400 - 7300 psi | ASTM D882 |
Film Elongation at Break, MD | 310 - 410 % | 310 - 410 % | ASTM D882 |
Film Elongation at Break, TD | 340 - 430 % | 340 - 430 % | ASTM D882 |
Secant Modulus, MD | 0.676 - 1.207 GPa | 98.0 - 175.1 ksi | ASTM D882 |
Secant Modulus, TD | 0.724 - 1.275 GPa | 105 - 184.9 ksi | ASTM D882 |
Coefficient of Friction | 0.19 - 0.49 | 0.19 - 0.49 | film to stainless steel; ASTM D1894 |
0.55 - 0.95 | 0.55 - 0.95 | film to film; ASTM D1894 | |
Tear Strength Test | 650 - 900 | 650 - 900 | graves tear MD, grams/mil; ASTM D1004 |
630 - 930 | 630 - 930 | graves tear TD, grams/mil; ASTM D1004 | |
Elmendorf Tear Strength, MD | 0.394 - 1.97 g/micron | 10.0 - 50.0 g/mil | |
Elmendorf Tear Strength, TD | 1.57 - 3.94 g/micron | 40.0 - 100 g/mil | ASTM D1922 |
Film Tensile Strength at Break, MD | 97.9 - 141 MPa | 14200 - 20500 psi | ASTM D882 |
Film Tensile Strength at Break, TD | 82.7 - 124 MPa | 12000 - 18000 psi | ASTM D882 |
Thermal Properties | Metric | English | Comments |
Shrinkage, MD | <= 3.0 % | <= 3.0 % | 300°F / 149°C - 10 minutes; ASTM D1204 |
Shrinkage, TD | <= 3.0 % | <= 3.0 % | 300°F / 149°C - 10 minutes; ASTM D1204 |
Optical Properties | Metric | English | Comments |
Haze | <= 10 % | <= 10 % | ASTM D1003 |