A copolymer of polystyrene and methyl methacrylate for lost foam casting (LFC). Refractory coatings for foam-patterns.
Innovative raw materials for the manufacture of foam-patterns for lost foam castings (LFC): expandable copolymers of polystyrene and methyl methacrylate and refractory coatings based on bauxite, mullite, andalusite, silicon dioxide, aluminosilicate for foam-patterns.