Composite Moisture Laser Printing Offset BOPP Film For Box Product Package
Composite Moisture Laser Printing Offset BOPP Film For Box Product Package
Introduction:
Due to stretching molecular orientation, so this kind of film the physical stability of the air tightness good mechanical strength, high transparency and gloss, tough wear-resisting, is currently the most widely used printing film, generally use thickness is 20 ~ 40 microns, and the most widely used for 20 microns two-way stretch polypropylene film main drawback is that poor heat sealing, so generally used as the outer membrane of composite membrane, such as transparency and polyethylene film composite moisture resistance strength and stiffness of the printing are ideal, suitable for holding food dryingAs the surface of the bidirectional tensile polypropylene film is non-polar, high crystallinity, low surface free energy, therefore, its poor printing performance, ink and adhesive adhesion is poor, before printing and composite surface treatment.
Information:
| No. | Item | Unit | Result | |
| 1 | Width bias | mm | 0 | |
| 2 | Thickness bias | % | -0.93 | |
| 3 | Average thickness bias | % | 0.64 | |
| 4 | Tensile strength | MD | Mpa | 182.6 |
| TD | 295.3 | |||
| 5 | Elongation | MD | % | 158.5 |
| TD | 59.2 | |||
| 6 | Modulus(reference value) | MD | Mpa | 2033.82 |
| 7 | Heat shrinkage | MD | % | 3.5 |
| TD | 3.9 | |||
| 8 | Haze | % | 1.72 | |
| 9 | Gloss | % | 96.2 | |
| 10 | Decaying rate of static | Treated side | 22.32 | |
| No-treated side | 20.58 | |||
| 11 | COF(q/m) | Outside/Metal | 0.218/0.146 | |
| Inside/ Metal | 0.311/0.213 | |||
Advantages of heat sealing BOPP film:
1. Suitable for high frequency heat sealing.
2. Food grade, non-toxic
3. High transparency & intensity;
4. Good imperviousness;
5. Good resisting endurance;
6. Very flat and low shrinkage.
7. Anti-static, anti-UV, cold resistant .
8. Good stability in products size and easy to process.
9. Can be laminated with Aluminum foil,or metalized.
10. Customized printing available according to customer requirements.
Shows:
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