40μm Yellow Cast Polypropylene Silicone Coated Polyester Film Roll
40μm yellow color cast polypropylene silicone coated release film for food, medical, and industrial packaging applications.
This specialized 40-micron translucent yellow or opaque yellow cast polypropylene silicone coated release film serves as a color-coded release liner for applications requiring product differentiation. The distinctive yellow color helps identify product lines, product families, and specific ingredients while attracting customer attention.
Key Applications
- Automotive and Aerospace: Color-coded release films for easy identification of products and components
- Labels: Differentiation of product lines and families in consumer packaged goods, personal care products, and pharmaceutical packaging
- Identification Tapes: Backing material for industrial marking of cables, wires, and other applications
- Graphic Arts: Vibrant color addition for artistic projects and visual applications
This release film provides reliable performance with consistent release surfaces while maintaining the same physical properties as clear release liners, differing only in color.
CPP vs PE Silicone Coated Release Film Comparison
Cast Polypropylene (CPP) Advantages:
- Superior transparency and optical clarity
- Enhanced moisture resistance
- Improved chemical resistance
- Better dimensional stability
- Higher melting point for temperature resistance
- Ideal for food packaging and pouches
Polyethylene (PE) Advantages:
- Superior flexibility and softness
- Excellent conformability
- Enhanced elasticity
- Superior low-temperature performance
- Ideal for cold storage and transport conditions
Selection between CPP and PE films depends on specific application requirements and performance criteria.
Technical Specifications
| Test Item |
Range |
Test Standard |
| Thickness |
Avg. |
40 μm |
GB/T 6672 |
| Max. |
≤44 |
| Min. |
≥36 |
| Width |
Avg. |
1090 ±3 mm |
GB/T 6673 |
| Tensile Strength |
MD |
≥20 MPa |
GB/T 1040.3 |
| TD |
≤15 |
| Elongation @ Break |
MD |
≤300% |
GB/T 1040.3 |
| TD |
≤300% |
| Wetting Tension |
- |
≥38 mM/m |
GB/T 14216 |
| Release Force |
Inner |
Customizable gf/25mm |
GB/T 25256 |
| Outer |
Customizable |
| Subsequent Adhesion Rate |
Inner |
≥85% |
GB/T 25256 |
| Outer |
≥85% |
