PU rubber?

[ruboma]

Hello ...again
SOmebody have any experience in PU rubber????....
Our experience is very poor and we have some problems to mold because appear many bubbles , and "flow lines" on the surface of the piece
We don´t know if the problem is for molding temperatures or other reasons
AH!!! the pU crosslink with peroxide, and the Pu is UREPAN640(by Lanxess). our formulation only have urepan+black filler+peroxide (Perkadox)+activator (TAC/S).. no more
Please, a need solve this to mantain my job!!!!!urgent
Thank you very much

 

[tom1953]

I would say, first off, that you should contact your supplier (Lanxess) for assistance with your problem. There may be several possible causes of the problem and solutions for these, some of which may be polymer-related.

My company (TSE Industries) also produces millable urethane rubber (Millathane®), and I'd be happy to help you with your problem (prefereably with our material, of course) if you contact me off-board (tom.jablonowski[at]tse-industries.com).
Regards,

Tom Jablonowski, TSE Industries, Inc.

http://www.tse-industries.com