I did talk to the maxim sales rep who is a mate of my brother in law who owns the hardware I bought them from (small town I know)he down played it telling me they were past there shelf life or it was a bad batch.they were well within there shelf life and the fluid in them was still moving a good sign.i going back to ramset capsules and will allways wear eye protection from now on or would still be picking shards of glass out of my eyeballs