Nonstick peel ply release fabric is also called PTFE coated fiberglass, made by special peel ply fiberglass in thickness of 0.02mm, then coating PTFE on both sides to reach thickness to 0.04mm. The impregnating process of this high temperature peel ply fabric

Aerospace industry for curing
PTFE coated fabrics in thickness of 0.04mm can be made porous and used in aerospace industry, people in this industry call this fabric peel ply alternative, light content of PTFE increase permeability to allow excess resin, volatile and trapped air to escape into the breather during curing while maintain its quick release property

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