|
Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
Posts: 73,167
|
Older balls used Surlyn (a thermoplastic ionomer) the newer are urethane (a thermoset)
So, what Tobra said.
Besides, even if you had old thermoplastic versions, heat would make a hot mess.
__________________
Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong.
Disclaimer: the above was 2¢ worth.
More information is available as my professional opinion, which is provided for an exorbitant fee. 
|