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Plastic repair

Old 09-26-2007, 02:22 PM
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Plastic repair

Just wanted to pass on some info on some plastic repairs. Just did a bunch of repairs on the girlfriend's ZX6R upper. I used Sem's problem plastic repair material. (P/N 39768) Picked it up at the auto paint shop and the stuff is great. It is a structural adhesive in addition to being a sandable filler. The stuff dries to a self holding strength within 5 minutes so you have to work fast and mix in small quantities. It's sandable within an hour. It is also more flexible than bondo and seems to have significant strength. Can be used to repair attach points or even replace broken mounting tabs.

The process is simple:

Roughen up the area
Create a V groove along the length of the crack/break
Clean of any oils/dust
Apply the reinforcement strip (on the non-visible side).
Mix product 50/50
Apply and work into any gaps just like you would with bondo (I found a credit card worked well)
Let harden and wet-sand like any other filler

I repaired the entire upper fairing in under 2 hours.
This stuff makes you look like a pro. It cost about 50 bucks but you definitely get what you pay for. Plus it's a hell of a lot cheaper than new plastics. Also, it doesn't stink! At all! You can use it in the house and the wife won't throw you out. It also cleans up much easier than bondo and fiberglass. BTW, I don't sell this stuff even if it sounds like I do.
Attached Thumbnails Plastic repair-dscf0652-small.jpg   Plastic repair-dscf0653-small.jpg   Plastic repair-dscf0662-small.jpg   Plastic repair-dscf0667-small.jpg   Plastic repair-dscf0668-small.jpg  

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Old 09-26-2007, 02:40 PM
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cool tip...thanks for sharing
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Old 09-27-2007, 06:40 AM
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yes indeed...I have two spots that need repair and was wondering how to do it on plastic....one spot is a stressed mount area.
I have plenty of JB weld...anyone use that?
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Old 10-09-2007, 12:44 PM
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even a regular soldering iron and zip ties for filler works great im in themiddle of another project for a friend right now. do that and then use the "plastic weld" stuff that comes in the epoxy looking tube at the auto parts store and let that dry, then smooth that out and good to go.
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