Reactive Resins Syntac EPAFD epoxy with Synamin 201-c slow hardener.
This was the starting point using shims to level up the linear rail support beams.
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A test piece was made using a 50x50 offcut, epoxy resin, draught excluder moat, http://www.toolstation.com/shop/Iron.../sd2802/p70101
Temperature 17 deg C
Used kitchen digital scales to measure out by weight.
Mixed in a plastic cup, no melting of cup, no heat felt but it was only a very small amount.
Just after pouring, the viscosity was very good for pouring, it seemed to be runnier once the hardener had been added and mixed.
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You can see surface bubbles, I dragged a tooth pick/cocktail stick through the epoxy a few times and bubbles dispersed.
Next time I will mix the two parts more slowly so as not to introduce so much air.
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The viscosity was such that 2 hours later the remains in the plastic cup could still move like a thick fluid.
Slight leakage occurred at draught excluder butt joints e.g. corners, so I will be using a dab of glue at these points.
Following day about 20 hours after pouring.
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Depth of epoxy = 5mm
Draught excluder removed with a chisel no problem but it left a slight sticky residue that cleaned up okay with spirits and the epoxy captured a very small amount of foam in it's outer skin.
A slight meniscus can be seen but this was expected, 'Clive S' describes how best to remove this.
The epoxy is fairly hard but you can tell it has a day or two to go until it's cured.
I would say this test was a success and I have no problem with using this on the machine.