"george ruta" <nckayak_at_capital.net> wote: > acetone is the preferred cleaner. my understanding is that cotol speeds up > curing time of the aquaseal, but at the cost of making it somewhat brittle. > either way it's not necessary for gasket replacemnet, just let the aquaseal > dry overnight and you are ready to go > Acetone is not the best thing to clean old gaskets with. Acetone is a simple ketone, and ketones are *not compatible* with urethanes. So while acetone would be OK to clean the surface of the old gasket that one hopes to adhere the new gasket to, one should be *very careful* to keep acetone away from waterproof fabric coatings - particularly urethane coatings. It would be awful to successfully glue in new gaskets, only to find that the acetone prep ate away the waterproof coating of the drysuit/top. Although Arthur didn't indicate what he was gluing gaskets into, please *****don't use acetone on urethane-coated fabrics*****. If you're not sure as to what the waterproof coating is, it's probably best to assume it's a urethane coating rather than run the risk of trashing an expensive piece of paddlegear. Given that most gaskets are glued to the inside surface of drysuits/drytops, the main contaminants to be removed are natural body oils. I'd suggest the tandem approach of first using dish detergent and water, followed by isopropyl alcohol as the final cleaning/drying agent. Buy the 90+% isopropyl alcohol rather than the 70% stuff, as the more concentrated alcohol will dry more quickly. And rest easy, knowing that urethane is *very* resistant to alcohols. Regards, Erik Sprenne chemist Arthur wrote: <<<<<< I have the Aquaseal and the gaskets but no Cotol to clean the old gasket prior to adhering the new gasket. I will be leaving the warm waters of the south to paddle some colder waters with no time to wait for the shipping time of the Cotol if ordered from a catalog. Is there another product I could purchase from the local hardware store that would perform the same cleaning job as the Cotol providing proper adhesion of the Aquaseal?>>>>>> *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Thu Apr 05 2001 - 18:32:36 PDT
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