CHEMICAL PRODUCTS USED IN INDUSTRY AND SCIENCE DURING SAND CASTING, NAMELY, CHEMICAL PREPARATIONS FOR USE IN THE FOUNDRY INDUSTRY AS SAND BINDERS, RELEASE AGENTS, SEALANTS AND ADHESIVES; UNPROCESSED ARTIFICIAL AND SYNTHETIC RESINS AS BINDERS AND ADDITIVES FOR USE WHEN BONDING SAND FOR FOUNDRY MOULDING SAND AND CORE SAND; ADHESIVES FOR INDUSTRIAL USE IN THE NATURE OF BINDING AGENTS FOR FOUNDRY MOULDING MATERIALS, IN PARTICULAR FOR FOUNDRY SANDS DURING SAND CASTING; FOUNDRY AUXILIARIES IN THE N...