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| DennisV |
Jan 9 2026, 07:49 AM
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#1
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Senior Member ![]() ![]() ![]() Group: Members Posts: 830 Joined: 8-August 20 From: Santa Rosa, CA Member No.: 24,575 Region Association: Northern California
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I don't know about you, but I've had very limited success in repairing broken plastics. I've tried a lot of variations ranging from household super glue to 2-part speciality plastic products with activators. They rarely withstand any force applied. Yet I keep trying.
This week I happened upon J-B Weld Plastic Bonder. I used it on two different components of the fresh air blower. The black plastic tabs of the housing, which I think is phenolic resin. Also some areas where the fan blades attach to the cage, which I think is probably Nylon. I snapped a plastic spoon to have a pointed tip to apply it with. I actually found it a benefit that it gets tacky pretty quickly. After 8 hours, both seem quite secure. I had first tried Loctite plastic bond and it failed with the slightest of pressure. We'll see how they do long term, and if the tabs will remain when I try to attach the clips. ![]() |
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| Justinp71 |
Jan 9 2026, 04:19 PM
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#2
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Senior Member ![]() ![]() ![]() Group: Members Posts: 1,645 Joined: 11-October 04 From: Sacramento, CA Member No.: 2,922 Region Association: None
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Yea the plastic bonder is great. Also works to bond plastic parts to metal if needed!
I repaired a race car radiator with JB weld (kwik weld) it held for years! Regular JB weld is commonly used to seal random steel to aluminum thread exteriors on the air cooled engines. Like on my six its used to seal off cam tower and case studs that would otherwise slowly drip. Need like a full drawer of all the JB weld products ready to go for these cars (IMG:style_emoticons/default/smile.gif)... |
DennisV JB Weld Plastic Bonder Jan 9 2026, 07:49 AM
tygaboy :agree: I've had good luck with JB Weld produc... Jan 9 2026, 08:20 AM
Chris H. :agree: I was able to fill a hole in a plastic int... Jan 9 2026, 08:41 AM
friethmiller Yes, this is good stuff. I used JB weld, fibergla... Jan 9 2026, 09:05 AM
Chad911sc I second the plastic welder….
The epoxy’s work... Jan 9 2026, 09:36 AM
Artfrombama Wear gloves!
That stuff is great on plastic bu... Jan 9 2026, 12:20 PM
scrz914 I just used the JB Weld 2 part epoxy putty for a s... Jan 9 2026, 12:28 PM
Ninja I've got EVERYONE beat with a J-B weld repair.... Jan 9 2026, 06:09 PM
porschetub None better ,I got the first starter kit like 18 p... Jan 9 2026, 07:16 PM![]() ![]() |
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Lo-Fi Version | Time is now: 11th January 2026 - 01:36 AM |
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