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Old 06-21-2022, 12:44 PM
gmcjetpilot's Avatar
gmcjetpilot gmcjetpilot is offline
Join Date: Jan 2005
Posts: 4,841
Default Does Proseal Chemseal B2 TANK SEALENT STICK TO PLASTIC

EDIT: High-density polyethylene (HDPE) *tank materal*
I did try "plastic welding" using a solder iron. It worked mostly worked, looked good, but it seeps. Pin hole? Was not aggressive enough. This is where sealant comes in. I am going to try again.

As any builder knows proseal or tank sealant sticks to everything.

Will is work on plastic fuel tank? The sealant is primarily for metal, however if the plastic is clean, roughed up, it should stick?

ANY EXPERT OPINION (or wild guessing) Appreciated.
Raleigh, NC Area
RV-4, RV-7, ATP, CFII, MEI, 737/757/767

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Last edited by gmcjetpilot : 06-22-2022 at 07:27 AM.
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