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Casting Tires Succesfully


4 posts in this topic

Posted

I finally have successfully molded and cast some tires . I thought I'd post how I did it as I have seen some queries in the past. I am doing them in regular resin not soft silicone. For my purposes this is fine.

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post-1299-0-01091500-1365358641_thumb.jp

post-1299-0-81484800-1365358669_thumb.jp

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Posted

Nice job.

I am curious- does anyone know if the resin or silicone tires will have the negative reactions like vinyl tires do with styrene?

It's a question that's passed through my mind recently, and this posed a good opportunity to ask.

Charlie Larkin

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Posted

If you use a medical or food grade silicone, it should be completely unreactive with anything when cured. Proper mixing ratio is critical.

Engineering-grade hard resins should also be unreactive if mixed and cured properly. With catalyzed materials, there <should> be no leaching out of plasticizers like there is with vinyl, which is what causes the problem.

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Posted

Nice job.

I am curious- does anyone know if the resin or silicone tires will have the negative reactions like vinyl tires do with styrene?

It's a question that's passed through my mind recently, and this posed a good opportunity to ask.

Charlie Larkin

No, urethane resins, once cured, do not attack styrene.

Art

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