2. Shrink film grade:
Can be divided into normal grade, medical grade, high strength grade;
Can be made of tubular film, L-type fold film and single film,
Can be processed into tube bags, flat pockets, ladder bags, round bags and so on.
3. Shrink film capacity:
Capacity | Unit | Test method | Representative value | ||
Thickness | Micron |
| 15 | 19 | 25 |
Density | g/cm3 |
| 0.922 | 0.922 | 0.922 |
Output | m2/kg |
| 72.5 | 57.2 | 43.5 |
Stretch |
|
| MD/TD | MD/TD | MD/TD |
Tenacity | N/mm2 | ASTM-D882A | 340/450 | 350/450 | 360/450 |
Tensile Strength | N/mm2 | ASTM-D882 | 120/120 | 110/110 | 100/100 |
Stretch limited | % | ASTM-D882 | 110/110 | 110/110 | 105/105 |
Sealing strength | G/cm3 N/mm2 | Internal | 870 57 | 1025 53 | 1250 49 |
Tear strength | G/cm3 | ASTM-D1938 | 5.5 | 9.5 | 14.5 |
Coefficient of friction | adim | ASTM-D1894 | 0.26 | 0.25 | 0.24 |
Shrinkage | % | ASTM-D2732 | MD/TD 65/65 | MD/TD 62/62 | MD/TD 60/60 |
Haze | % | ASTM-D1003 | 1.3 | 1.8 | 3.0 |
Gloss | photoc. | ASTM-D2457 | 135 | 135 | 130 |