Peel ply fabrics are placed over the laminate and removed after curing to leave a textured surface. They are used when a part will undergo subsequent bonding, laminating or painting, according to the system used.
Peel ply protects and modifies the contact surface during manufacture. It helps plan areas that will be joined to another part or receive new layers. It does not replace the preparation instructions for the adhesive, resin or coating applied afterwards.
The selection includes fabrics in different materials and areal weights, tape formats and self-adhesive versions to aid placement. There are also combined consumables integrating several functions; select them by construction and process, not as direct equivalents of simple peel ply.
For infusion, choose the peel ply together with the flow meshes. For vacuum consolidation, also review breather and bleeder fabrics and bleeder and release films.
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