Airtech WL3700(0.001 X 60IN X 2000FT ROLL)

WRIGHTLON® 3700 Release Film

Overview

WRIGHTLON® 3700 is a cost-effective polyolefin release film developed by Airtech International for composite manufacturing and vacuum bagging applications. Designed for use with epoxy, polyester and vinyl ester resin systems, it provides reliable release performance for low- to medium-temperature cure cycles. Its distinctive blue colour improves visibility during lay-up, while the optional P16 perforation pattern makes it particularly suitable for resin infusion processes.

Key Technical Specs

• Product Type: Polyolefin release film
• Material: Polyolefin
• Colour: Blue
• Maximum Use Temperature: 121°C (250°F)
• Tensile Strength: 48 MPa (7000 psi)
• Elongation at Break: 550%
• Flammability: Self-extinguishing
• Yield: 21.2 m�/kg at 25 ?m thickness
• Shelf Life: Indefinite when stored in original packaging

Approvals & Specifications

• ASTM D882 (Tensile Strength)
• ASTM D882 (Elongation)
• ATP-5034 Self-Extinguishing Flammability
• Manufactured by Airtech International

Typical Applications

• Vacuum bagging of composite laminates
• Composite moulding with epoxy resin systems
• Polyester resin composite manufacture
• Vinyl ester composite fabrication
• Resin infusion processes using perforated release film
• Commercial composite production
• Wind energy composite manufacturing

Key Features & Benefits

• Cost-effective release film for production environments.
• Compatible with epoxy, polyester and vinyl ester resin systems.
• Blue colour improves visibility during lay-up and removal.
• P16 perforated option supports resin infusion applications.
• Excellent elongation allows conformity over complex moulds.
• Self-extinguishing material improves workshop safety.
• Available in multiple formats and custom sizes.
• Ideal for low- to medium-temperature composite cure cycles.

Application Guidelines

• Select the appropriate film thickness based on the composite process requirements.
• Place the release film directly over the laminate before installing breather materials.
• Use the P16 perforated version for resin infusion where controlled resin bleed is required.
• Validate suitability when cure temperatures approach the maximum operating limit.
• Store unused rolls in their original packaging to maintain product quality.

Compatibility & Limitations

• Compatible with epoxy, polyester and vinyl ester resin systems.
• Not recommended for use with phenolic resins.
• Avoid exposure to strong oxidising chemicals.
• Maximum service temperature depends on cure duration and process conditions.
• Process-specific qualification is recommended for critical aerospace applications.

Packaging & Procurement

• 25 ?m (0.001 in): 1.52 m � 610 m roll
• 50 ?m (0.002 in): 1.52 m � 305 m roll
• Available as sheeting (SHT)
• Custom widths, lengths and shapes available on request
• Optional forms include centrefold and lay-flat tubing configurations

Why This Product is Chosen for AOG / MRO

• Provides dependable release performance at an economical cost.
• Blue film is easy to identify during composite repairs.
• Suitable for vacuum bagging and resin infusion processes.
• Excellent flexibility allows use on complex repair geometries.
• Widely used in composite manufacturing and repair environments.

Practical Suggestions for Your Team (AOG Mindset)

• Select perforated P16 film when resin bleed control is required.
• Inspect the film for punctures before each cure cycle.
• Store rolls flat in their original packaging to prevent damage.
• Verify cure temperatures remain within the product's operating limits.
• Use the blue colour to simplify identification during laminate disassembly.

Manufacturer / Aviation Spec Codes

• Product Name: WRIGHTLON® 3700
• Manufacturer: Airtech International
• Product Type: Polyolefin composite release film
• Maximum Service Temperature: 121°C (250°F)
• Compatible Resin Systems: Epoxy, Polyester and Vinyl Ester