We are equipped with a full range of professional testing instruments including electronic tensile tester, forced air drying oven, seal tester and heat sealing tester. We conduct comprehensive performance tests in accordance with GB and ISO standards to strictly control every production link and guarantee stable, reliable quality of POF shrink film.
| TEST ITEM | UNIT | ASTM TEST | Typical Values | |||||
|---|---|---|---|---|---|---|---|---|
| THICKNESS | μm | — | 10 | 12 | 15 | 19 | 25 | 30 |
| TENSILE | ||||||||
| Tensile Strength (MD) | N/mm² | D882 | 125 | 130 | 130 | 130 | 130 | 130 |
| Tensile Strength (TD) | N/mm² | D882 | 119 | 120 | 120 | 120 | 120 | 120 |
| Elongation (MD) | % | D882 | 116 | 120 | 120 | 125 | 130 | 130 |
| Elongation (TD) | % | D882 | 112 | 120 | 115 | 115 | 125 | 125 |
| TEAR | ||||||||
| MD | g | D1922 | 9.8 | 10.5 | 14.5 | 17.5 | 23.5 | 28.5 |
| TD | g | D1922 | 9.7 | 10.0 | 13.5 | 16.0 | 23.0 | 27.0 |
| SEAL STRENGTH | ||||||||
| MD Hot Seal | N/mm² | F88 | 0.95 | 0.95 | 1.01 | 1.03 | 1.25 | 1.55 |
| TD Hot Seal | N/mm² | F88 | 0.91 | 0.98 | 1.06 | 1.06 | 1.30 | 1.65 |
| Coefficient of friction (Film to Film) | ||||||||
| Dynamic | — | D1894 | 0.21 | 0.21 | 0.22 | 0.22 | 0.22 | 0.22 |
| Static | — | D1894 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 |
| OPTICS | ||||||||
| Haze | — | D1003 | 2.0 | 2.2 | 2.6 | 3.2 | 3.9 | 4.1 |
| Transparency | — | D1746 | 98.8 | 98.5 | 98.0 | 97.0 | 95.0 | 92.0 |
| Gloss @45Deg 45° | — | D2457 | 86 | 85.5 | 87.0 | 83.5 | 81.5 | 80.0 |
| BARRIER | ||||||||
| Oxygen Transmission Rate | cc/m²/day | D3895 | 11900 | 11300 | 10800 | 7200 | 5400 | 4500 |
| Water Vapor Transmission Rate | cc/m²/day | D1249 | 39.0 | 39.5 | 38.5 | 26.5 | 22.5 | 20.5 |
We own independent invention patents for shrink film production equipment.
Our POF shrink film has passed SGS RoHS testing, meets EU environmental protection standards, safe for export to European and global markets.
