Peel ply prepares the surface, release film controls separation/bleed, and flow mesh carries resin in-plane. They are not interchangeable.
Short answer
All three may appear in one bagging stack but serve different functions: peel ply gives a removable textured surface, release film is a controlled separation layer, and flow mesh is a high-permeability flow medium.
Why does it matter?
Wrong stacking can cause resin pooling, dry spots, consumables locked into the laminate or poor preparation for later bonding.
Function comparison
Match each consumable to the process objective.
- Peel ply: removed after cure, leaving a clean textured surface
- Release film: perforation controls bleed and separation
- Flow mesh: changes resin-flow speed and direction
Typical stack logic
Peel ply may sit on the laminate, with release film and flow mesh above as required. Validate the exact sequence for the flow model and surface target.
Frequently asked questions
Does peel ply eliminate sanding?
Not always. Critical bonding still requires validation of cleaning, delay and process qualification.
Is flow mesh left in the part?
In standard disposable infusion it is normally removed as a consumable; specialised integrated media differ.
Conclusion and technical support
Compare product types and temperature classes on our vacuum-infusion consumables page.
Sources
- Ürüne bağlı üretici TDS belgeleri