Airtech Wrightlon® WL7400 Nylon Vacuum Bag Film
Description
Airtech Wrightlon® WL7400 – Nylon Vacuum Bag Film, 2 mil (.002") – 72" & 120" Centerfold
Wrightlon® WL7400 is a durable, heat-stabilized nylon bagging film trusted worldwide for composite processing. Rated for use up to 400°F (204°C), it combines reliable vacuum integrity with good elongation for easy drape over complex tools. Available in wide centerfold formats, WL7400 helps reduce seams on large parts, speeds layups, and supports consistent, high-quality results in infusion, prepreg, OOA, and autoclave applications.
Key Features
- Material: Heat-stabilized nylon vacuum bagging film
- Thickness: 2 mil (.002")
- Max Use Temperature: 400°F (204°C)
- Drape & Elongation: Soft, conformable film minimizes bridging in corners and tight radii
- Strength: Good tear/puncture resistance for dependable vacuum hold
- Widths: 72" and 120" centerfold (supplied folded to half width for handling)
- Process Compatible: Resin infusion, hand layup, prepreg/OOA, and autoclave cycles
Typical Applications
- Vacuum bagging of marine, automotive, aerospace, and industrial laminates
- Large tools and panels where fewer seams are preferred
- Tooling and production parts requiring consistent consolidation and finish
Processing Guidelines
- Use with compatible sealant tape, release media, and breather/bleeder as required by your process.
- Protect from sharp edges; round or tape corners to prevent pinholes and tears.
- Unfold centerfold film fully and smooth before sealing; maintain vacuum throughout cure within the 400°F limit.
Ordering
- Available Widths: 72" and 120" centerfold (60")
- Thickness: 2 mil (.002")
- Sold by: Linear yard — multiple yards ship as one continuous length whenever possible
- Full Roll Length: 333 yards