Post Cure of SL5220

From: pgubb@howmet.com
Date: Wed Feb 03 1999 - 19:20:59 EET


     
     Hi,
     
     I have recently installed a SLA 250 which is running with sl5220
     resin.
     
     I have problem with making Quickcast parts as they stay sticky for a
     very long time,even after a 12 hour stint in our PCA500.
     
     The cleaning process I am using at the is as follows:
     1, Wipe with plain paper towel.
     2, spin.
     3, Remove supports and wipe with isopropanol alcohol.
     4, Spin and wipe again if necessary.
     5, Place in the PCA.
     
     If anyone has any thoughts on this or experiencing the same problem I
     would be pleased to hear from you.
     
     Paul Gubb.
     Howmet Corporation

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