What does a peel ply do?

A peel ply is often used on bonding surfaces to keep them clean until ready for bonding and to also provide for enhanced surface free energy when removed. When a peel ply is removed, it fractures the resin matrix layer, leaving a slightly energized surface.

What is release film made from?

ethylene propylene resin
FEP Type RF, release film, is a clear or pigmented film manufactured from fluorinated ethylene propylene resin. FEP-RF is specifically desired for release applications.

What is peel ply made of?

Peel ply is an extra layer of fabric material which is laid upon the outer surface of the composite during fabrication. This layer is intended to be peeled off at some future time prior to bonding. The peel ply is a woven fabric, glass, nylon or other synthetic material.

How do you make Fibreglass smooth?

It wets out fabric well and flows out smoothly when coating.

1. Choose fiberglass cloth wisely.
2. Seal the wood with epoxy.
3. Avoid outgassing.
4. Use freshly mixed epoxy.
5. Brush on epoxy.
6. Apply fiberglass one layer at a time.
7. Squeegee with care.
8. Apply build up coats on the same day.

How do you use peel ply fiberglass?

Using peel ply: a general guide

1. Apply your fibreglass to your surface with epoxy and a plastic squeegee, such as WEST SYSTEM® 808.
2. Lay over your peel ply and smooth it out with your squeegee.
3. Once you have achieved a consistent colour surface (with no obvious air bubbles or pockets) leave it to cure.

Does peel ply work with polyester resin?

*Peel-ply can be used with waxed or un-waxed polyester resins, as in either case, the uncured or waxed surface is removed. It is porous, so excess resin will pass through and wet it out, leaving the laminate with a higher fibre-to- weight ratio.

What is peel ply carbon fiber?

Does fiberglass need to be sanded?

Sand the fiberglass using a coarse-grit sandpaper. Never sand all the way through the gelcoat into the fiberglass itself. Sanding the gelcoat just enough will make its appearance dull, so when the entire component has lost its shine, you have sanded enough to allow the primer or paint to adhere.