Barium Sulphate is nothing new. It's used widely on integrating spheres, and I have painted some myself. The video that they show painting it on a piece of glass and comparing that to commercial paint is very…
Barium Sulphate is nothing new. It's used widely on integrating spheres, and I have painted some myself. The video that they show painting it on a piece of glass and comparing that to commercial paint is very…