Purchase Qty. Reference FOB Price
25-49 Tons US$340.00
50-99 Tons US$330.00
100+ Tons US$280.00
Product Description
325 Mesh Mullite Sand Powder Chamotte Sand Flour for Investment Casting Description: Mullite is a high-quality refractory raw materials, this kind of mineral is relatively rare. Mullite is a mineral formed at high temperatures from aluminosilicate, which is formed when Aluminosilicate is ...