Improve your Siderotypes with fumed silica pre-treatment
Fumed Silica treatment can improve details in your Siderotypes, but be careful, it’s not chemistry without risk as Giorgio Bordin tells us. Writer and photography / Giorgio Bordin Fumed Silica, as it’s commonly said, (CAS 112945-52-5) is also known as pyrogenic silica because it is produced in a flame. It consists of an extremely fine white powder made of microscopic droplets of amorphous silica (viz not crystalline), fused and branched … Read more