jakesmith1979z

Injected Plastic Lip

4 posts in this topic

Hello all,

I have never tried before, but am curious about making my own injected plastic lips for my crankbaits just for fun. Any ideas/advice/warnings? I am particularly interested in which plastics/resins I should use for a tough, clear lip. Thanks!

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I don't know of any plastic or resin that you can inject yourself for crankbait lips.

There is a video somewhere here on TU of a guy (I think his handle was Hillbilly) who made is own two piece hollow plastic cranks. Maybe it has something in it that might help.

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I'd agree with Mark that injecting plastic lips could be VERY tough without the proper equipment/molds/etc.

With that being said.... there are probably a couple ways you may be able to do something close with 2-part resins instead of trying to work with hot plastic. If I were to take a crack at it, instead of trying to inject.... I'd likely make a two part mold that I could pour down into... let cure - demold and then cut off the sprue. Issues will be you'll likely need to vibrate to get air bubbles out, choice of available resins/materials and other things like shrinkage and curing times.... but It's totally feasible this way and shouldn't cost a ton of money to make some molds and try it out.

J.

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