MDPE Release Film Technical Specification

MDPE Release Film Technical Specification

 

Product Overview

MDPE Release Film is a medium-density polyethylene film engineered with precision release coatings to provide balanced performance for industrial applications requiring both structural integrity and controlled release properties. Combining the optimal density characteristics of MDPE with advanced surface treatments, this film delivers superior puncture resistance and flexibility while maintaining excellent release performance across various manufacturing processes.

Key Features & Benefits

Material Properties

Base Material: Medium-density polyethylene (MDPE) resin with UV stabilizers

 

Thickness Range: 40–300 microns (±2% tolerance)

 

Release Coating Options:

 

Platinum-cured silicone (low-migration formula)

 

Fluorosilicone (for chemical resistance)

 

Non-silicone alternatives (acrylic-based)

 

Surface Characteristics:

 

Surface energy: 20–24 dynes/cm (coated side)

 

Coating uniformity: >99.5% coverage

 

Performance Characteristics

Precision Release Performance

 

Adjustable peel force: 15–400 g/25mm

 

98% residue-free separation

 

Consistent release under varying pressure conditions

 

Mechanical Properties

 

Tensile strength: 25–35 MPa (MD/TD)

 

Elongation: 350–500%

 

Puncture resistance: ≥12 N

 

Environmental Resistance

 

Temperature range: -40°C to +140°C

 

UV stability: >1000 hours weatherability

 

Chemical resistance to oils and mild solvents

 

Processing Advantages

 

Excellent thermoforming characteristics

 

Superior stress crack resistance

 

Outstanding impact strength at low temperatures

 

Industrial Applications

Heavy-Duty Packaging:

 

Industrial adhesive liners

 

Composite material release layers

 

Construction material protection

 

Manufacturing Processes:

 

Vacuum forming release applications

 

Compression molding operations

 

Rubber and composite curing

 

Specialty Applications:

 

Geomembrane protection

 

Marine component manufacturing

 

Industrial equipment covering

 

Quality & Compliance

ISO 9001:2015 certified production

 

FDA 21 CFR 177.1520 compliant grades available

 

REACH/RoHS 3.0 compliant

 

UL Recognition for specific applications

 

Technical Advantages

✔ Optimal balance of stiffness and flexibility

✔ Superior environmental stress crack resistance

✔ Excellent chemical and abrasion resistance

✔ Customizable surface treatments for specific release needs

 

Storage & Handling

Store in controlled environment (10–30°C, <65% RH)

 

24-month shelf life in original packaging

 

Handle with edge protectors during installation

 

Avoid contact with sharp objects during processing

 

Available in custom widths, core sizes, and coating formulations to meet specialized industrial requirements.