Biaxially Oriented PP Release Film: Precision Engineered Surface Protection
Introduction
Biaxially Oriented Polypropylene (BOPP) release film is a high-performance material engineered through molecular alignment to deliver exceptional dimensional stability and controlled release characteristics. This specialized film combines the inherent advantages of PP with precision surface modification, creating an indispensable solution for adhesive applications, PET Release Film For Electronics Industry composite manufacturing, and electronic component processing where consistent release performance is critical.
Technical Specifications
Mechanical Properties
Tensile Strength: 150-220 MPa (MD), 180-250 MPa (TD)
Elongation at Break: 80-120% (MD), 60-100% (TD)
Thickness Range: 12-100 μm (±1.5%)
Release Performance
Peel Force: 5-500 g/25mm (adjustable)
Release Consistency: ±5% lot-to-lot variation
Residual Adhesion: >90% of original tack
Thermal Properties
Heat Resistance: Up to 150°C (short-term)
Thermal Shrinkage: <1.5% at 120°C
Manufacturing Technology
Biaxial Orientation Process
PET Release Film For Electronics Industry Sequential stretching at 5:1 (MD) and 8:1 (TD) ratios
Stress-induced crystallization control
Heat setting at 155-165°C
Surface Engineering
Plasma pretreatment (50-60 dynes/cm)
Precision silicone coating (0.8-1.2 g/m²)
Optional differential release surfaces
Quality Control
100% inline optical inspection
Automated coating weight monitoring
Real-time release force verification
Applications
PET Release Film for Tape and Die-Cutting industry Industrial Tapes
Pressure-sensitive adhesive protection
Die-cutting carrier films
Composite Manufacturing
Prepreg layup separation
Resin infusion barriers
Electronic Components
Flexible circuit processing
Display panel protection
PET Release Film for Medical and Hygiene industry Medical Products
Wound dressing liners
Transdermal patch backings
PET Release Film for New Energy and Environmental Protection Industry Performance Advantages