A heat set polyester cloth of about 105 gsm. Epoxy compatible. It drapes well over difficult shapes. Somewhat stretchy so it can be great on flexy things and it won't crack. Dynel is used for adding abrasion resistance. While it does add “toughness”, Dynel has very little strength and it not a substitute for fiberglass. DON'T plan to sand it - all you will get is fuzz. Roll length is 50 metres.

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