Nitrocellulose vs Polyurethane - What's the difference?
nitrocellulose | polyurethane |
(organic compound) A cotton-like material, made from cellulose by the action of nitric and sulphuric acids, used in the manufacture of explosives, collodion etc.
(organic chemistry) Any of various polymeric resins containing urethane links; used in very many industrial and domestic applications.