Co-extruded PE Release Film Technical Specification

Co-extruded PE Release Film Technical Specification

 

Product Overview

Co-extruded PE Release Film represents an advanced multilayer film solution engineered for superior release performance in demanding industrial applications. This innovative film combines multiple polyethylene layers with precision release coatings through co-extrusion technology, delivering optimized material properties that surpass conventional single-layer release films. The multilayer structure enables customized performance characteristics while maintaining excellent processing efficiency.

Material Architecture

 

Layer Structure: 3-layer to 5-layer co-extruded construction

 

Core Layer: HDPE or MDPE for structural integrity (50-70% of total thickness)

 

Skin Layers: LDPE or LLDPE for surface functionality

 

Release Coating: Plasma-treated silicone or non-silicone alternatives

 

Thickness Range: 50-300μm (±2μm tolerance)

 

Performance Advantages

 

Enhanced Mechanical Properties

 

Puncture resistance: 40% higher than monolayer films

 

Tensile strength: 25-35MPa (MD/TD)

 

Elmendorf tear strength: ≥100N/mm

 

Superior Release Characteristics

 

Customizable peel force: 10-500g/25mm

 

Release consistency: <5% variation across roll

 

Low migration coating: <0.1% transfer

 

Advanced Barrier Properties

 

Moisture vapor transmission: <0.5g/m²/24hr

 

Oxygen transmission: <100cm³/m²/24hr

 

UV resistance: >2000 hours weatherability

 

Manufacturing Benefits

 

Processing Efficiency: Higher line speeds (up to 400m/min)

 

Material Savings: 15-20% reduction in coating consumption

 

Quality Control: Eliminates delamination risks

 

Industrial Applications

 

High-Speed Converting:

PSA label stocks

Adhesive tape liners

Medical device packaging

 

Technical Laminates:

Composite prepreg separation

Aerospace component protection

Automotive interior fabrication

 

Specialty Packaging:

Electronic component films

Industrial product protection

Graphic arts applications

 

Quality Assurance

 

ISO 9001:2015 certified production

 

ISO 13485 compliant for medical grades

 

FDA 21 CFR 177.1520 compliance

 

REACH/RoHS 3.0 certified

 

Technical Superiority

✔ Optimized layer-specific properties

✔ Unmatched thickness uniformity

✔ Superior interlayer adhesion

✔ Customizable surface energy (18-32 dynes/cm)

 

Storage & Handling

 

Store at 18-25°C in humidity-controlled environment

 

18-month shelf life in original packaging

 

Process within 72 hours of unwrapping for optimal performance

 

Use edge protection during handling

 

Available in customized layer configurations, thickness profiles, and coating formulations to meet specific application requirements.