foundry

The air near the foundry was always dirty.

Tell the foundry to cast another piston.

the foundry business was on its last legs.

the foundry was allowed to go to pot in the seventies.

Foundry polyurethane binder comprises component Ⅰ, a polyhydroxy component whose main component is benzylic ether phenolic resin, component Ⅱ, a polyisocyanate, and a catalyst.

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.