Multi-layer PE Release Film Technical Specification

Multi-layer PE Release Film Technical Specification

 

Product Overview

Multi-layer PE Release Film is an advanced engineered material composed of precisely structured polyethylene layers, each optimized for specific performance characteristics. This sophisticated film combines multiple functional layers through co-extrusion technology to deliver superior release performance, enhanced mechanical properties, and improved processing efficiency. The multi-layer architecture allows for customized solutions that address the most demanding industrial requirements while maintaining excellent cost-performance ratios.

Material Construction

Layer Configuration: 3 to 9-layer co-extruded structure

 

Surface Layer: LDPE/LLDPE with plasma-treated release coating (silicone or non-silicone)

 

Core Layer(s): HDPE/MDPE for structural integrity and barrier properties

 

Tie Layers: Specialized adhesive resins for interlayer bonding

 

Total Thickness: 30–500μm (±2μm tolerance)

 

Performance Advantages

1. Optimized Release Performance

Adjustable Peel Force: 5–500g/25mm (customizable)

 

Clean Release: >99% residue-free separation

 

Low Migration: <0.05% silicone transfer (FDA-compliant grades available)

 

2. Enhanced Physical Properties

Tensile Strength: 25–45MPa (MD/TD)

 

Puncture Resistance: 30–60% higher than monolayer films

 

Elongation at Break: 300–600%

 

Dimensional Stability: <0.3% shrinkage at 150°C

 

3. Advanced Functional Characteristics

Barrier Properties:

 

Moisture Vapor Transmission: <0.5g/m²/24hr

 

Oxygen Transmission: <100cm³/m²/24hr

 

Thermal Resistance:

 

Continuous Use: -40°C to +160°C

 

Short-Term Exposure: Up to 180°C

 

Industrial Applications

High-Performance Converting

Pressure-sensitive adhesive (PSA) liners

 

Label stock protection

 

Medical device packaging

 

Composite Manufacturing

Prepreg release layers

 

Vacuum bagging processes

 

Resin infusion applications

 

Specialty Applications

Flexible electronics production

 

Aerospace component protection

 

Automotive interior fabrication

 

Quality & Compliance

Certifications:

 

ISO 9001:2015

 

ISO 13485 (medical grades)

 

FDA 21 CFR 177.1520

 

REACH/RoHS 3.0

 

Quality Control:

 

±2% thickness tolerance

 

100% inline optical inspection

 

Technical Superiority

✔ Customizable Layer Configuration – Tailored performance for specific applications

✔ Superior Interlayer Adhesion – No delamination risk

✔ Reduced Material Consumption – Thinner gauges with equal performance

✔ Enhanced Processing Efficiency – Higher line speeds up to 500m/min

 

Storage & Handling

Storage Conditions: 15–25°C, <60% RH

 

Shelf Life: 24 months in original packaging

 

Handling: Use edge protectors during unwinding

 

Processing: Cleanroom environment recommended

 

Available in custom layer configurations, thickness profiles, and coating formulations to meet specialized application requirements.