Printing on 100%black and white cotton with sublimation powder - first test

So I had this unexpected phone call from this supplier from Europe. They state this is a game changer and I have to try it! Well, here I am. I am trying this powder stuff in this video first time! all out of supplier pdf provided.
disclaimer: please note this powder is not the same product that I tested some years ago and is widely available. this is new stuff (apparently).

Видео Printing on 100%black and white cotton with sublimation powder - first test канала Printing Geek