TYPICAL PHYSICAL VALUES
| Properties | Units | Method | Ref | Typical Values | |||||
| Thickness | μm | GB/T6672-2001 | 15 | 18 | 20 | 25 | 30 | 40 | |
| Weight | g/m2 | +/- 2% | 13.7 | 16.4 | 18.2 | 22.8 | 27.3 | 36.4 | |
| Yield | m2/kg | 73.3 | 61.1 | 54.9 | 44.0 | 36.6 | 27.5 | ||
| Tensile strength | MPa | ASTM D882 | MDTD | ≥120≥200 | |||||
| Elongation atbreak | % | MDTD | ≤180≤70 | ||||||
Thermal shrinkage | % | GB/T12027- 2004120°C/ 2 min | MD TD | ≤4.0≤2.0 | |||||
| Heat seal range | °C | QB/T2358-1998 | 115 – 145 | ||||||
| Sealing strength | N/15mm | O / O | ≥ 3.0 | ||||||
| Coefficient ofFriction | ASTM D1894 | I / IO / O | ≤0.4≤0.4 | ||||||
| Wetting tension | mN/m | GB/T14216-2008 | ≥ 38 | ||||||
| Haze | % | ASTM D1003 | ≤ 1.7 | ||||||
| Gloss (60°) | % | ASTM D2457 | ≥ 90 | ||||||
| WVTR | g/m2/day | ASTM F1249(38°C， 90%RH) | 9.5 | 8.5 | 7.5 | 6.0 | 5.0 | 4.0 |
