Release films, PTFE fabrics, vacuum bagging materials & machined tooling components
From mould tooling to vacuum bag layer films and continuous press belts — we supply the consumable and durable materials composite manufacturers need to produce parts under heat and pressure. Whether you laminate prepregs, infuse dry fabrics or run continuous prepreg drying lines, we have the right release surface, breather, peel ply or sealant tape for the job.
We supply materials for the tools, moulds, handling equipment and wear surfaces of a composite line — wherever heat resistance, non-stick performance, chemical resistance or precision machining is required.
Machined PEEK, PTFE and POM components for mould inserts, guides, seals and thermal-break parts. Stable under repeated heat cycles, dimensionally accurate and resistant to release agents.
PTFE-coated fiberglass fabrics and tapes as low-friction surfaces, heat-distribution carriers and non-stick interlayers between prepreg and press platen.
Seamless PTFE-fiberglass belts for continuous drying lines — rated for sustained operation up to 260 °C without softening or surface degradation.
UHMW-PE sheets and HDPE liners for cutting tables, prepreg-handling surfaces and material guides — abrasion resistant and easy to clean.
CNC-machined plastic positioning jigs, clamping tools and inspection fixtures that won't damage part surfaces the way metal contact would.
Release films, breather fabrics, peel plies, sealant tape and bagging films — the full layer stack for hand layup, infusion and prepreg cure cycles.
A typical layup sequence for curing a composite laminate under vacuum. Material choices depend on cure temperature, resin chemistry and whether you need single-use or reusable solutions.
| # | Layer | Typical Material |
|---|---|---|
| 1 | Sealant tape | Butyl rubber (IIR) or polyisobutylene (PIB) — bonds the bag edge to the mould; low- and high-temp grades available |
| 2 | Vacuum bag film | Polyamide (PA6 / PA66) or multilayer nylon; PA+EVOH co-extruded for high-temperature cures |
| 3 | Breather fabric | PET non-woven polyester, typically 100–600 g/m²; fiberglass-based for high-temperature processes |
| 4 | Release film | FEP, ETFE or PMP — FEP up to 200 °C, ETFE to 230 °C, PMP economical to 180 °C; perforated or non-perforated |
| 5 | Peel ply | PET polyester fabric (also PA66 nylon) — leaves a textured bondable surface for secondary lamination or gluing |
| 6 | Composite laminate | Prepreg / dry fabric + resin (epoxy, polyester, vinyl ester, phenolic) — cured under vacuum and heat |
| 7 | Mould tool | Composite tooling, aluminium or steel — surface treated with release agent or semi-permanent PTFE coating |
| 8 | Tackifier / sticky tape | PET-backed silicone tape for masking and bag attachment; PTFE-backed grades for the highest temperatures |
Need help selecting the right film grade for your cure cycle? Send us your process spec and we'll recommend a release/breather/bag combination that survives your peak temperature.
Glass cloth coated with PTFE — combines a strong, dimensionally stable backbone with a heat-resistant non-stick surface. Used in continuous drying and lamination lines and as auxiliary cloth in pressing.
| Property | Value / Range |
|---|---|
| Continuous service temperature | −70 °C … +260 °C |
| Thicknesses | 0.08 mm … 1.0 mm |
| Widths | Custom up to 3 000 mm |
| Forms | Sheet, roll, seamless belt, open-length section |
| Surface options | Smooth, mechanical-textured, self-adhesive (PSA backed) |
| Chemical resistance | Inert to virtually all resins and solvents |
Continuous, seamless PTFE-fiberglass belts for drying resin-impregnated materials, prepreg solvent flash-off and continuous lamination lines.
Non-stick interlayer between prepreg stacks and press platens — protects the press surface and gives a clean release.
Release cloth that prevents resin transfer to tooling surfaces during cure — reusable and dimensionally stable.
Self-adhesive PTFE and PTFE-fiberglass tapes for tool wear surfaces, sliding contact zones and non-stick interlayers. The silicone adhesive holds at high temperature, and the tape removes cleanly without residue.
| Type | Thickness | Max. service temp |
|---|---|---|
| PTFE tape, smooth | 0.08 … 0.25 mm | +260 °C |
| PTFE-fiberglass tape | 0.13 … 0.35 mm | +260 °C |
| Zone tape (multi-zone thickness) | varies | +260 °C |
| Heavy-duty PTFE sliding tape | 0.50 … 1.00 mm | +260 °C |
Protects guide surfaces and reduces sticking on repeated cycles — refresh by re-applying without remachining.
Narrow tapes to mask resin migration along mould seams and tool joints during cure.
Replaceable sliding surface for press platens — swap when worn instead of refurbishing the whole platen.
Heat- and chemical-resistant protection for sensitive surfaces near hot tooling.
Engineering plastics commonly specified in composite tooling, jigging and process equipment.
Non-stick surfaces, gaskets, mould inserts and thermal-break parts. Continuous service to +260 °C, virtually inert to all resin systems and release agents.
Mould-side machined components — bushings, locating pins, seals — that survive repeated autoclave cycles. Continuous use to +250 °C, retains stiffness at temperature.
Precision jigs, fixtures, gears and gripping components — dimensional stability and low moisture pickup keep tooling true between cures.
Cutting tables, prepreg handling surfaces, sliding rails and impact-protected liners. Abrasion resistant, easy to clean.
The workhorse of composite hot-process auxiliary materials. Sheets, rolls, custom widths or seamless belts — supplied with smooth, textured or self-adhesive surface as needed.
Reusable silicone vacuum membranes for repeat-cycle production — long service life, conforms to complex geometries.
Background reading on materials for composite manufacturing.
Send us your process specification — we'll recommend the right release film, breather, peel ply or PTFE belt grade for your temperatures and resin system.