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Rubber formulations for tires?

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Old 04-20-2017, 12:53 PM
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mr_matt
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Default Rubber formulations for tires?

Hi everyone,

I want to experiment making my own tires. I am not satisfied with these new inflatable tires, and I have had good luck with the solid BVM tires so I would like to try to make something like that.
So does anyone have a source for the room temperature rubber I can try?

Thanks in advance,
Old 04-20-2017, 04:57 PM
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ChuckC
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I was looking at these:
Urethane Casting Resins | Fibre Glast

The 60 Shore D is what I was thinking of. Pigment it black, but it's expensive. Maybe get it cheaper elsewhere?

Let us know how it comes out, please.
Old 04-20-2017, 05:48 PM
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Chris Nicastro
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I made a dirt bike tire in 1/4 scale for a prototype RC bike I designed. The BJB Enterprises Castable Urethane I used was very durable and did not tear or split. It can cast very well in a silicone mold and picks up a lot of surface detail like letters or even finger prints. I did tint it with black, works great.
Make sure you vent the mold and pull vacuum on your resin to take out bubbles.
Old 04-20-2017, 05:48 PM
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Double post
Old 04-20-2017, 06:01 PM
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TimD.
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This is what I used.

https://www.smooth-on.com/products/pmc-780-dry/
Old 04-21-2017, 08:25 PM
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mr_matt
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Thanks for the tips I will let you guys know wrist I figure out
Old 04-24-2017, 04:51 AM
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Turbotronic
 
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Originally Posted by mr_matt
Thanks for the tips I will let you guys know wrist I figure out
https://www.smooth-on.com/product-line/foam-it/
I am considering making "inner tubes" from above for inflatable tires. Similar to that used for puncture proof mountain bikes...
Andre
Old 04-24-2017, 01:31 PM
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Originally Posted by Turbotronic
https://www.smooth-on.com/product-line/foam-it/
I am considering making "inner tubes" from above for inflatable tires. Similar to that used for puncture proof mountain bikes...
Andre
Yes it seems that the air filled tire was a classic "solution in search of a problem".

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