发明授权
EP0713500B1 MASSEN ZUM HERSTELLEN VON GIESSEREIKERNEN UND -FORMEN 失效
群众PRODUCING铸造型芯和SHAPES

MASSEN ZUM HERSTELLEN VON GIESSEREIKERNEN UND -FORMEN
摘要:
A binder having a binder component (1) with at least one polyol and a binder component (2) with at least one polyisocyanate is characterised in that the binder component (1) is free from volatile, non-reactive solvents. These binders may be used for producing foundry cores and moulds.
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