Lou wrote:
Is Ceconite and Peel Ply the same thing?
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Yes. You may also use generic '100% polyester' or 'Dacron' (DuPont's
brand name for 100% polyester fabric). Select the fabric weight
according to the 'tooth' required; the lighter the weight of the
fabric, the finer the weave. Most use the heavy (3.7oz) fabric for
peel-ply on hand lay-ups but there are literally hundreds of different
weaves/weights available and anything other than knits will serve as
peel-ply. If vacuum bagging be careful not to use too light a
peel-ply. When completely encapsulated in resin 1.8oz dacron often
tears rather than peeling.

Some shops reuse their strips of peel-ply but when making sections of
leading edge I got better results using a new strip for each lay-up.

-R.S.Hoover