Extrusion Lamination PP Release Film: High-Performance Multilayer Solution
Introduction
Extrusion lamination PP release film is an advanced composite material produced by combining polypropylene extrusion with precision release coating technology. This multilayer structure delivers superior performance in demanding packaging, industrial, and graphic arts applications where both barrier protection and controlled release are required. The film's unique construction integrates PP's excellent sealing properties with engineered release surfaces, creating a versatile solution for complex converting processes.
Technical Specifications
Structural Properties
Total thickness: 50-200 μm (±2%)
PP layer thickness: 20-150 μm
Tensile strength: MD 80-120 MPa / TD 70-100 MPa
Release Characteristics
Peel force: 20-300 g/25mm (adjustable)
Heat resistance: Up to 180°C (short-term)
Residual adhesion: >85% of original tack
Barrier Performance
MVTR: 1-5 g/m²/day (38°C, 90% RH)
OTR: 50-200 cm³/m²/day (23°C, 0% RH)
Manufacturing Process
Coextrusion Lamination
3-5 layer PP extrusion (230-260°C)
In-line corona treatment (40-42 dynes/cm)
Precision thickness control (±1.5 μm)
Release Coating
Solventless silicone application (0.8-1.5 g/m²)
Multi-zone curing oven (100-150°C)
UV or EB curing options
Quality Systems Optical Release Film for Automotive Industry
100% web inspection (50 μm resolution)
Automated coating weight control (±0.05 g/m²)
Real-time bond strength monitoring
Material Advantages
Enhanced Functionality
Combines sealing and release properties
Customizable barrier layers
Excellent ink adhesion surface
Processing Benefits
High-speed converting compatibility
Optical Release Film for Automotive Industry Clean release at various temperatures
Consistent layflat characteristics
Economic Value
Eliminates separate lamination steps
Reduces material consumption
Improves production efficiency
Applications
Flexible Packaging
Retort pouch lid stock
Medical device packaging
Industrial Products
Composite material processing
Adhesive tape manufacturing
Graphic Arts
Digital printing substrates
Optical Release Film for Automotive Industry Label stock production
Quality Certifications
FDA 21 CFR 177.1520 compliance
ISO 9001:2015 quality system
DIN 53380 oxygen transmission
ASTM F88 seal strength testing
This engineered film solution provides unmatched versatility for applications requiring both protection and controlled release performance.
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Key Differentiators:
Integrated multilayer construction
Precision-controlled release surfaces
Excellent heat seal performance
Customizable barrier properties
Sustainable production process