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Old 10-27-2010, 11:36 AM
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Default Disc Golf Plastics- Lets Get Scientific

My semester project involves choosing a product that is created using different types of plastic, and then explaining why the manufacturer would use one type over another. I choose to focus my project on disc golf discs (and maybe flying discs in general if I can’t find enough information). I will be looking at the chemical structures of the different polymers and how the structures affect performance. Properties to be compared will most likely include toughness, abrasion resistance, strength, modulus, optical clarity, solvent resistance, and some molecular differences such as orientation and crystallinity.

What I’m looking for is some help in determining the actual polymer that a disc is made of. I’m not talking DX, Champion, Star, etc., but the actual polymer such as polypropylene, TPE, and maybe even some rubber compounds (Vibram). I figured I would come here before I start doing experimental burn tests on my discs to determine the material, which I would like to avoid all together. On that note, if you have cracked, broken, or old worn-out discs that you would like to donate to the cause, they would be much appreciated. Feel free to add any knowledge on the subject, the more the better. Thanks.
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Old 10-27-2010, 11:44 AM
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check this thread, someone already did something similar...use the search function too

http://www.dgcoursereview.com/forums...=types+plastic
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Old 10-27-2010, 11:57 AM
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Thanks for the link, but it really didnt answer anything I don't already know. I guess what I'm really asking is what is the base polymer for Champion plastic, for example. The recipe involves a bunch of other additives such as stabalizers, plasticizers, reinforcements, etc., but I'm not concerned about these. Just looking for the base polymer. And the 70% polypropylene mentioned in the other thread is just that, 70% polypropylene polymer and 30% talc and additives to get the specific gravity high enough to make 175g discs.

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check this thread, someone already did something similar...use the search function too

http://www.dgcoursereview.com/forums...=types+plastic
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Old 10-27-2010, 11:59 AM
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I believe Gateway talks about theirs (I know they are DOW plastics).

I would also highly recommend calling Lightning, he likes to talk about his plastic.
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Old 10-27-2010, 12:02 PM
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I believe Gateway talks about theirs (I know they are DOW plastics).

I would also highly recommend calling Lightning, he likes to talk about his plastic.
pretty much what everyone suggested in the old thread. those are about the only two companies that will share blends for the following reasons.

Lghtining is a fairly basic blend and Gateway changes their plastic blends about as often as I do my underwear.
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Old 10-27-2010, 12:07 PM
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Quote:
Originally Posted by gkeberhart View Post
pretty much what everyone suggested in the old thread. those are about the only two companies that will share blends for the following reasons.

Lghtining is a fairly basic blend and Gateway changes their plastic blends about as often as I do my underwear.
Every week?
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Old 10-27-2010, 12:08 PM
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okay maybe more frequently
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Old 10-27-2010, 12:10 PM
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Thanks for the lead. I know that Gateway uses polypropylene for their s-series discs. I also know that they use TPE as their high end polymer (Riteflex TPE).

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Originally Posted by billnchristy View Post
I believe Gateway talks about theirs (I know they are DOW plastics).

I would also highly recommend calling Lightning, he likes to talk about his plastic.
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Old 10-27-2010, 12:29 PM
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Does lightning have a translucent plastic like champion and elite z? I should have also indicated that I need at least four different materials.
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Old 10-27-2010, 12:44 PM
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They have base and pro.

Pro is rejected medical plastic, that is all I know about it.
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