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Recycle material suitablity - I have been receiving a lot of e-Mails on this point so I will answer generally .

No I had not considered mill-slag from blast furnaces as posible as source of material for bulk material for coatings. Yes it has some refractory qualities. It has excellent thermal shock qualities, and the density is not bad . However I would have to check its crush ability, normally I prefere to buy material in granular form . ( If you send me a 2.5kg sample, marked for customs 'of no Commercial Value -For analysis only ' to my home address' Then I wil test it on a structulate panel.

Turning now to the question of activation and distribution of particles into the adsorbate, Sorry Boris but that is propritory Information.
I come from a Oil/Gas/liquids background ( Newtonian Fluids). It took me a long time to get my head around Non-Newtonian Fluids ( Mayonaise, Custard, Concrete, and powders.) These things are whole different ball game they don't behave rationally.