Hi all,
Support asked me to run the same test in clear to see if the revised software setting had made any difference. Ideally would have liked to reprint the cavity mold in the same orientation etc. but its a long costly print so decided against it.
In the end I printed the 100x80x30mm test twice as per the previous tests in grey resin.
Both printed @0.05mm LH, Clear v2 resin
Test 1
Orientation
Forward facing surface is good
Rearward facing surface is poor, some flaking but no porosity 
Other observations -
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There was a large amount of part cured resin after in the tank that required filtering.
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There was no porosity at all in the print which was great.
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Compared to the front, the rear face quality was very poor.
Test 2
Orientation
The Print failed
Looks like this is where things started to go wrong - porosity caused by laser flare or the peal process, who knows.
Other observations -
Its difficult to say whether the new software setting for the clear v2 resin @0.05mm LH have made a difference. I’ve some new large prints that I’ve agreed to try and print for a client, so we will see. I’m going to print them in v2 clear at 0.1mm, to give me the biggest chance of success… fingers crossed 