TYPICAL PHYSICAL VALUES
| Properties | Units | Method | Ref | Typical Values | |||||||
| Thickness | μm | 11 | 12 | 15 | 18 | 20 | 25 | 30 | 40 | ||
| Weight | g/m2 | GB/T6672- 2001 | +/- 2% | 9.96 | 10.9 | 13.6 | 16.3 | 18.1 | 22.6 | 27.2 | 36.2 |
| Yield | m2/kg | 100.5 | 92.1 | 73.7 | 61.3 | 55.2 | 44.2 | 36.8 | 27.6 | ||
| Tensile strength | MPa | MD | ≥ 120 | ||||||||
| TD | ≥ 200 | ||||||||||
| Elongation at break | % | ASTM D882 | MD | ≤180 | |||||||
| TD | ≤ 70 | ||||||||||
| Thermal shrinkage | GB/T12027- 2004 | MDTD | ≤ 4.0 | ||||||||
| % | 120°C/ 2 min | ≤ 2.0 | |||||||||
| Heat seal range | °C | QB/T2358- 1998 | N/A | ||||||||
| Sealing strength | N/15mm | N/A | |||||||||
| Coefficient of | ASTM D1894 | I / I | ≤ 0.5 | ||||||||
| Friction | O / O | ≤ 0.5 | |||||||||
| Wetting tension | mN/m | GB/T14216- | ≥ 38 | ||||||||
| 2008 | |||||||||||
| Haze | % | ASTM D1003 | ≤ 1.0 | ≤ 1.2 | |||||||
| Gloss (45°) | % | ASTM D2457 | ≥ 90 | ||||||||
| WVTR | g/m2/day | ASTM F1249 (38°C, 90% RH) | 10 | 10.5 | 9.5 | 8.5 | 7.5 | 6 | 5 | 4 |
