Hi Philip
Sounds ok, however, judging by the size of the tub, you would need to purchase 50 or more, to fill a small DI bottle. I do not think it would be suitable for our industry; otherwise it would be available to us.
As far as I am aware, nobody in the UK can recharge the Resin, this I believe is down to health & safety and the environment. It can be done in the states, but, postage would be too much :-)
Andrew