... as an additive of cement and mortar, inner and outer wall paints, and moulding board binder; and in chemical industry,as a ... agent, dispersing agent and PVOH formal, PVOH acetal and PVOH butyral.as adhesive in lumbering and papermaking industries, as ... in agriculture, and as a well-fixing agent in petroleum exploitation,cosmetic, medicine, printing, ceramics, steel-making, electronics and plating. ...