cold box resin is a two-part foundry binder. Part I is a phenolic resin solution part II is a polyisocyanate. cold box resincold box resin PRODUCT DESCRIPTIONGP Series Cold Box Resin is a two-part foundry binder. Part I is a phenolic resin solution and part II is a polyisocyanate.Technology Characters:a. Quick ambient temperature curing, good fluidity during sand mixing, high strength, good ...