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Lovel · 6th January 2019, 17:29

O-rings should be stored in a dark poly bag or away from direct UV exposure. Probably UV has gotten to them and hence they should not be used. In my industry o-rings are kept for a maximum of 5 years from manufacture batch date.

6th January 2019, 17:29	#6
Lovel I really should get out more....... P6B, L550, Imp, F56, Commando Join Date: Nov 2006 Location: Aberdeenshire Posts: 2,886 Thanks: 352 Thanked 677 Times in 440 Posts	O-rings should be stored in a dark poly bag or away from direct UV exposure. Probably UV has gotten to them and hence they should not be used. In my industry o-rings are kept for a maximum of 5 years from manufacture batch date.