Around 2015 I bought a bag of "white finish polish" from K.N., "1 to 3 micron Finish Polish" was written on the bag . I am thinking that it is your "Micro Alumnia" polish, did you offer your "Micro Alumnia Polish" or aluminum Oxide polish during that time frame? Can you give me your best opinion on what you think this product may be? It's use was for tumbling and I wouldn't have bought any high end $$ product.. I know this is a reach but any input would be appreciated. Thanks