Blown PP Release Film: Versatile Protection for Demanding Applications
Introduction
Blown PP release film is a highly adaptable material produced through advanced blown film extrusion technology, Pp Release Film for Electronics Industry offering superior release performance and mechanical properties. This mono-axially oriented film features precise silicone coating on one or both surfaces, making it ideal for adhesive protection, industrial processing, and specialty packaging applications requiring consistent peel characteristics.
Key Technical Parameters
Physical Properties
Thickness range: 25-150 μm (±2%)
Tensile strength: MD 60-100 MPa / TD 40-70 MPa
Tear resistance: >300 g (Elmendorf)
Release Performance
Peel force: 10-200 g/25mm (customizable)
Release consistency: ±7% across web width
Temperature resistance: -20°C to 120°C
Surface Characteristics
Pp Release Film for Electronics Industry Surface energy: 36-40 dynes/cm (pretreated)
Roughness: 0.5-2.0 μm Ra
Gloss: 70-90 GU (60° measurement)
Manufacturing Process
Blown Film Extrusion
Monoaxial orientation (3:1 to 5:1 blow-up ratio)
Air-cooling ring temperature control
Layflat width up to 3,000mm
Coating Technology
Solventless silicone application
Multi-zone drying oven (80-130°C)
UV curing options available
Quality Assurance
Online thickness monitoring (±1.5%)
PE Release Film for Construction Industry Automated defect detection system
Roll-to-roll release force testing
Material Advantages
Enhanced Toughness
Superior puncture resistance vs. cast films
Excellent flex-crack resistance
Process Benefits
Balanced MD/TD properties
Better thickness uniformity
Improved bubble stability
Economic Value
PE Release Film for Construction Industry Lower production costs vs. BOPP
Reduced material waste
Applications
Adhesive Products
Label stock liners
Tape backing protection
Industrial Uses
Composite mold release
Fiberglass layup separation
PE Release Film for Automotive Manufacturing industry Specialty Packaging
Medical device packaging
Electronic component protection