Compared with CPP, cast CPE has many advantages, such as strong punching resistance, good flexibility and excellent cold resistance. It is laminated with other materials for bag making. Widely used in all kinds of foods,daily necessities packaging.
Characteristic:
*Good transparency
*Good flexibility
*Excellent punching resistant performance
| Physical and Mechanical Properties | ||||
| Item Name | Standard Value | Typical Index | Testing Standard | |
| Tensile Strength Mpa | MD | ≥11 | 13 | ASTM D638 |
| TD | ≥11 | 15 | ||
| Elongation at Break % | MD | ≥150 | 210 | |
| TD | ≥150 | 260 | ||
| Thickness of Aluminum Layer Ω / | ≤2.5 | 1.8 | ASTM D1003 | |
| Aluminum Layer Uniformity % | ±15% | ±8% | ||
| Thermal shrinkage % | MD | |||
| TD | ||||
| Surface Tension dyn/cm | Treatment Surface | ≥38 | ≥38 | ISO 8296 |
| Non-treatment Surface | <33 | |||
| Dynamic Friction Coefficient | Between Non-treatment Surfaces | 0.4 | ASTM 1984 | |
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