COP10/10/BARE 1 15.67 Coil Plain Copper Tube 10mm x 10m
However I'm finding it *very* difficult to make good compression fitted joints with it. I've not had any problems at all with some older 10mm pipe I have (existing installation) and nor do I ever have any problems with larger sizes. I've made many, many compression fitted joints over the years and I've never had as much hassle as I've had with this particular pipe.
On disassembly (of leaking joints) the olives have deformed considerable and dug into the pipe. Normally when I take my compression fittings apart it's possible to remove the olives (with a bit of persuasion) but with this pipe there's absolutely no chance of doing this.
How do I make sure that any further 10mm copper I buy is stiff/hard enough to take compression fittings well?