2023年10月24日 · Note that the quoted 'acrylic' in my previous comment was intentional, but perhaps unclear. I only know enough chemistry to be dangerous, which is just enough to doubt …

2004年6月14日 · woodster: The elongation of 4000 UV is listed as >700%, so I'm not sure that 795 is better in that regard. The 4000 UV also appears stronger, but comparing the data …

2017年4月13日 · Well, DAP Dynaflex 230 is a great caulk, but like all other acrylic caulks that I used, they specifically state that curing time is longer in cool or humid conditions. See their …

2015年6月29日 · The sealant should come off the tiles the easiest, both mechanically by scraping with a plastic edge - the flat edge of an adhesive spreader should be suitable, and if necessary …

About silicone sealant proper, nearly everything has been said already. But when people say "silicone" in everyday, at least over here, they can mean different sealants / caulks, including …

2019年8月1日 · Polyurethane Sealant vs Silicone Sealant vs Polymer Sealant (According to sbdir.com): Highly durable – harder than silicone, capable of withstanding high external forces …

2013年2月13日 · I had the same problem with a DAP Painter's Acrylic Latex Caulk. It was interior/exterior. The 25 year latex caulk dissolved around the kitchen sink, shower, and …

2009年8月11日 · Some time ago this forum persuaded me that 795 was the choice Dow sealant for marine glazing. So I have just used 795 to install my replacement cast acrylic hatch lens - …

Plexiglas (poly (methyl methacrylate)) is strongly attacked by xylene, one of the solvents in the sealant you selected. I'd expect the sealant to soften the plexiglas and probably also whatever …

2019年9月17日 · Question: is it OK run a bead of polyurethane sealant (e.g., Sikaflex) along the edge of the sill before I screw the plastic to it, as a waterproof barrier between the wood and …