ABS Plastic Patch "Rudy's" from Cyclemax


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johnfliesagain
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ABS Plastic Patch "Rudy's" from Cyclemax

Postby johnfliesagain » Fri May 06, 2016 5:13 pm



I just bought a couple of patch kits from cyclemax.

I thought that they would be thinner...says 1/8" just didn't realize how thick 1/8" really is. 1.5 x 2.0 x .125

I also thought it would be somewhat flexible. It is not at all.

The inside of the side covers are complex curves. Flat hard plastic even if self bonding will not bond if it doesn't touch.

So: does anyone know if these can be heated with a hairdryer to make them flex so they can mold to shape? Will the heat affect the bonding material?

Can they be cut? or do I use a dremmel and a cutting disc?

There are several pieces with cracks so I bought enough to do repairs, and enough to experiement.


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:D Did I mention it was a Free Gift from a co-worker?

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Re: ABS Plastic Patch "Rudy's" from Cyclemax

Postby NVSB4 » Fri May 06, 2016 5:18 pm

Yes, you can heat the sheets with a real hot hair dryer, but a heat gun works better to bend them.
I would get them into the shape you need before applying any adhesive.
They can be cut with any small saw.
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johnfliesagain
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Re: ABS Plastic Patch "Rudy's" from Cyclemax

Postby johnfliesagain » Sat May 07, 2016 9:46 am

I sent a duplicate copy of this querry to Rudy's at support@thefarend.com

Not only did I get a good instruction sheet from the home page rudysproducts.com but also a lengthy personal note. Imagine that!

And a special sheet that I dd not see on the home page about heat froming ABS. And sent on Friday nite after work hours ! Damn! good stuff!

I was really concerned about the applied adhesive, but was told that in using an oven for forming that all one has to do is remove the protective sheet.

Now if it would just stop raining I could get to work. Moisture and old bones , ya know!
John in Baltimore
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:D Did I mention it was a Free Gift from a co-worker?

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Re: ABS Plastic Patch "Rudy's" from Cyclemax

Postby RBGERSON » Sun May 08, 2016 9:03 am

wonder if boiling water is hot enough to soften it?? Anyone test that idea...I don't have any right now???
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Re: ABS Plastic Patch "Rudy's" from Cyclemax

Postby WingAdmin » Sun May 08, 2016 10:03 am

RBGERSON wrote:wonder if boiling water is hot enough to soften it?? Anyone test that idea...I don't have any right now???


That would work probably really well. The glass transition temperature of ABS (the temperature at which it transitions from a hard solid to a soft rubbery compound) is 105 C - and water boils at 100 C, so a quick dip in boiling water would likely soften it enough that it could be easily bent and molded.

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johnfliesagain
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Re: ABS Plastic Patch "Rudy's" from Cyclemax

Postby johnfliesagain » Sun May 08, 2016 2:29 pm

RBGERSON wrote:wonder if boiling water



The Rudy's patch comes with a self adhesive , covered with a protective film. the film is removed and I heated the patch in the oven to 250*F .
It molded to the inside of the curve of the left side vover promptly, and the self adhesive is holding quite nicely.

Now to put it in place on the bike and see what happens. It doesn't flex now. Problem came from removing at the bottom edge and the top left corner would remain in place, causing a twisting and eventually the crack at the bottom where the curve began.

Water would no doubt interfer with the adhesive.


John in Baltimore
A proud owner of a 2000 1500SE
:D Did I mention it was a Free Gift from a co-worker?


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