If I need to briefly interrupt production, should I purge the Ryton PPS from the barrel of my machine?
At normal processing temperatures (600-650F, 315-343C melt temperature), Ryton PPS compounds may be allowed to remain in the barrel for up to two hours without suffering any detrimental effects. • Q: I need to recover some molded-in inserts from some reject parts. Is there a solvent I can use to dissolve away the PPS A: Unfortunately, recovery of molded-in inserts from Ryton PPS parts is not practical. There is no known solvent for PPS at temperatures below 200C (392F), and acids that will degrade the PPS polymer will also likely damage inserts. It is possible to burn away the PPS (with a torch or using a muffle furnace, for example) if the inserts can withstand the temperatures required (over 815C, 1500F). If possible, a metal insert may be heated to melt the surrounding PPS (about 316C, 600F) to facilitate its removal, but there will still be residual PPS to be removed. Molten PPS can usually be removed using a wire brush or scouring pad. Like chipping or breaking the PPS away from t
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