Silicone and Polysulfide won’t adhere to acrylic or Lexan, so doubtful if it is that.
In your notes below your blog you mention Dow Corning 995, and I think it is 795. Seems like more people like that method nowadays. Personally, I think you should get it made in safety glass, and be done with it. No more clouding, hazing, or coming apart. Use the polyurethane that the pros use, or just call the Safelite guy and have him install it while you are watching your daughters soccer game. My buddy had large panels made for his trawler, and It wasn’t that expensive. https://www.procurveglass.com/ https://www.bentglassdesign.com/ Bill Coleman Erie PA From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Dave S via CnC-List Sent: Tuesday, October 15, 2019 1:43 PM To: C&c Stus List Cc: Dave S Subject: Stus-List 33-2 portlight replacement - Is this stuff silicone or is it something else? See link below for photos and description - have removed both portlights, one was original (and failing) the other was replaced and secured with a highly elastic adhesive-sealant that seems an awful lot like RTV silicone. My question is how best to identify the material, and if silicone how best to remove? If silicone, it actually seemed to secure the plexi-glass very well indeed. https://cncwindstar.blogspot.com/2019/09/totally-crazed-portlights-and.html Thanks for any advice! Dave
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