Peel Ply (Also known as Release Fabric) is used to provide a cured composite laminate with a textured surface. This helps if you are bonding one part to another, or if you just want paint to stick a little better. |
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Peel Ply is usually placed directly onto a wet (uncured) laminate, and is removed once the cure is complete.
Sometimes, the fabric is coated with a release agent (blue, green and sometimes a lovely shade of pink). This definitely helps the fabric come off the part but there's usually some concern for the release agent transferring to the part.
Bad news.
Peelply can be had in nylon, polyester, fiberglass, and even Kevlar. Using phenolic resin? Don't use nylon peelply. You'll be sooooorrrrry!!
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