Foundry Mullite Sand 16-30mesh For Investment Casting And Refractories With Good Finishing 1. Mullite Sand Introduction Natural mullite crystals and needles are radially elongated clusters. Mullite quarry is ... Read More
Foundry Mullite Sand Precision Refractory Sand 30/60 Mesh For Metallurgy/Petroleum Industry 1. Mullite Sand Introduction Mullite is a kind of aluminosilicate refractory material. It is made of hard clay mineral ... Read More
