# Projam Material?

**URL:** <https://forums.yoyoexpert.com/t/projam-material/18768>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [September 5, 2010, 12:17am UTC](https://forums.yoyoexpert.com/t/projam-material/18768 "2010-09-05T00:17:58Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![titanium221](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/titanium221/32/174_2.png) [@titanium221](https://forums.yoyoexpert.com/u/titanium221)\
**Post date:** [September 5, 2010, 12:17am UTC](https://forums.yoyoexpert.com/t/projam-material/18768/1 "2010-09-05T00:17:58Z")

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I need to know the type of plastic projams are. no “i think” or “it might be”. I need to know whether its celcon or polycarb.

thx

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**Author:** ![Elephark](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/elephark/32/496_2.png) [@Elephark](https://forums.yoyoexpert.com/u/Elephark)\
**Post date:** [September 5, 2010, 12:23am UTC](https://forums.yoyoexpert.com/t/projam-material/18768/2 "2010-09-05T00:23:59Z")

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They are made of celcon.

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**Author:** ![titanium221](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/titanium221/32/174_2.png) [@titanium221](https://forums.yoyoexpert.com/u/titanium221)\
**Post date:** [September 6, 2010, 1:41am UTC](https://forums.yoyoexpert.com/t/projam-material/18768/3 "2010-09-06T01:41:58Z")

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Thanks!