Cross-linked PE Release Film Technical Specification

Cross-linked PE Release Film Technical Specification

 

Product Overview

Cross-linked PE Release Film represents a premium-grade engineered film that undergoes molecular cross-linking to achieve superior thermal and mechanical properties. This advanced material combines the benefits of chemically modified polyethylene with precision release coatings, delivering exceptional performance in high-temperature industrial applications. The cross-linking process creates a three-dimensional polymer network that significantly enhances the film's durability while maintaining excellent release characteristics.

Material Technology

 

Base Resin: Radiation or chemically cross-linked LDPE/LLDPE

 

Cross-linking Method: Electron beam (EB) or peroxide treatment

 

Degree of Cross-linking: 65-85% (adjustable)

 

Release Coating: High-temperature silicone (platinum-cured)

 

Thickness Range: 50-500μm (±2% tolerance)

 

Performance Advantages

 

Exceptional Thermal Properties

 

Continuous service: -60°C to +180°C

 

Short-term exposure: Up to 200°C

 

Thermal shrinkage: <0.3% at 150°C

 

Enhanced Mechanical Strength

 

Tensile strength: 35-45MPa (50% higher than standard PE)

 

Tear resistance: ≥120N/mm

 

Puncture strength: ≥20N

 

Superior Release Performance

 

Stable peel force: 20-400g/25mm (from -40°C to 180°C)

 

99.5% clean release

 

Low outgassing properties

 

Chemical Resistance

 

Resistant to most resins, solvents and oils

 

Hydrolysis resistance

 

Excellent UV stability

 

Manufacturing Benefits

 

Maintains integrity through multiple reuse cycles

 

Reduces material waste in high-temp processes

 

Enables thinner gauges with equal performance

 

Industrial Applications

 

Aerospace Composites:

Autoclave curing processes

High-temp prepreg layup

Composite tooling

 

Electronics Manufacturing:

High-temperature PCB processing

Flexible circuit production

Display module protection

 

Industrial Processing:

Rubber vulcanization

High-temp adhesive laminates

Composite part fabrication

 

Quality Certifications

 

ISO 9001:2015 certified production

 

NADCAP accredited (aerospace grades)

 

UL Recognized Component

 

REACH/RoHS compliant

 

Technical Superiority

✔ Unmatched thermal stability

✔ Superior mechanical properties

✔ Consistent performance under extreme conditions

✔ Extended service life

 

Storage & Handling

 

Store at 10-30°C in dry environment

 

24-month shelf life in original packaging

 

Handle with clean gloves

 

Avoid creasing or folding

 

Available in custom formulations for specific high-performance applications.