Flexible Packaging Base Materials
CPP Standard Composite Film
Product Introduction:
This film is characterized by high transparency, high clarity, excellent smoothness, low migration, and superior corona retention.
Product Applications:
Primarily used in the packaging of garments, knitwear, floral bags, small pouches, outer packaging, document and album films, as well as food packaging.
Specifications:
- **Thickness**: 20-40μm, customizable based on customer requirements.
Typical Properties:
|
Test Item |
Unit |
Standard Requirement |
Measured Value |
|
Tensile Strength |
Mpa |
Longitudinal: ≥35 |
65 |
|
Transverse: ≥25 |
28 |
||
|
Nominal Strain at Break |
% |
Longitudinal: ≥280 |
700 |
|
Transverse: ≥380 |
750 |
||
|
Wetting Tension |
dyn |
Corona-treated side ≥40 |
40 |
|
Non-treated side <33 |
<33 |
||
|
Haze |
% |
≤8 |
2.99 |
|
Heat Seal Strength |
N/15mm |
At 135℃: ≥10 |
17.21 |
|
Dynamic Coefficient of Friction |
--- |
≤0.15 |
0.127 |