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Mixing Plastics

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TripodBob

Post subject: Mixing Plastics

Posted: Mon Oct 23, 2023 9:43 am

Mahogany

Joined: Sat Jun 11, 2011 1:58 pm
Posts: 51
First name: Rob
Last Name: Roither
City: Williamsburg
State: Virginia
Zip/Postal Code: 23188
Country: USA
Focus: Build
Status: Amateur

My previous guitars have all been done with ABS binding and pfurlings from LMI. Now with their limited stock I'm forced to mix ABS and PVC if I want to continue my usual design. Any thoughts on mixing ABS and PVC?

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RusRob

Post subject: Re: Mixing Plastics

Posted: Mon Oct 23, 2023 2:18 pm

Contributing Member

Joined: Tue Mar 19, 2013 3:34 pm
Posts: 1097
First name: Bob
Last Name: Russell
State: Michigan USA
Focus: Repair
Status: Semi-pro

I have never tried it and I would be hesitant to say it would work. I have done a number of binding using ABS but have not tried mixing them.

I know from working on plumbing it is a no-go to glue ABS and PVC and under code you must have mechanical connection. The joint will fail.

Maybe someone here has experience with mixing the two but I wouldn't think they will stick together.

Otherwise you might go with ABS and that wood-like fiber stuff that is dyed

Cheers,
Bob

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Barry Daniels

Post subject: Re: Mixing Plastics

Posted: Mon Oct 23, 2023 4:08 pm

Brazilian Rosewood

Joined: Fri Aug 19, 2005 4:02 am
Posts: 3263
Location: The Woodlands, Texas
First name: Barry
Last Name: Daniels

If you use CA then it would probably work. Test on scrap.

Also, abrading the surfaces of the plastic with sandpaper will always help with mechanical adhesion.

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Jim Watts

Post subject: Re: Mixing Plastics

Posted: Mon Oct 23, 2023 5:36 pm

Contributing Member

Joined: Thu May 12, 2005 5:46 am
Posts: 2968
Location: United States

I’m guessing they would also age differently down the road, if that’s a concern, but don’t really know.

_________________
Jim Watts
http://jameswattsguitars.com

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