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Depends how long ago you were a lad?
Back in '93 I was car sharing with another guy whose job had relocated from Lo don to MK. He was responsible for some 2-component epoxy grouts, including one packaged in a concentric tube. One Monday we rolled up the M1, and he got on the phone to the (distant) factory to discuss yet again QA problems with that Zone's manufacturing manager. He had never heard the nirmally taciturn mm so happy. 'Last time we'll talk!'
'Huh?'
'Over the weekend the manufacturing equipment and all the raw materials were shipped out to the Polish factory. There's not enough demand in the UK to justify the factory space'.Don't think epoxy grouts will ever be displaced from that application.
mespilus
MrE
Epoxy was used in coal mines to fix roofing bolts when I was a lad. Admittedly these were several feet long: the resin and hardener came in polythene tubes that were inserted the full depth of the hole then mixed by spinning the bolt with a pneumatic borer. It worked well enough in the '70s (there's a lot of 'roof' to hold up when you're over half a mile down)- I can only imagine things have improved since then?