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I don't know for sure. Some one here would likely know. Greg Cottrel likes to coat the surfaces that will have Seka flex against them with black Seka Primer, and the fine surface profile that that the aqua jet cutter leaves seams perfect for bonding to. Looks like a baking soda blasted surface. Very fine flat finish. Regards, Szybowski From: ShellyDalg@aol.com Date: Wed, 22 Jul 2009 13:09:36 -0400 Subject: Re: [PSUBS-MAILIST] Aqua Jet Cutting My 2" Acrylic Viewport To: personal_submersibles@psubs.org A quick question......The sides of the plexi disks need to be polished so the Sikaflex has a smooth surface to seal against, right? Frank D.
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