... silicon carbide, vermiculite, talcWood sawdust, perlite, limestone, ash or talcum powderPlywood used in wood chips, crop straw and husk ... , all stirring onceThe governor high-speed mixer, one or more mixers with a molding machine, all stirring once8Molding ... room, do not know the analysis methods of magnesium oxide (MgO) and magnesium chloride (MgCl2), without inspection of raw materialsNo chemical ...