What's the main usgage or application of epoxy and polyurethane tooling boards?

Epoxy and Polyurethane based machinable boards or blocks are mainly used for styling and master models, foundry patterns, core boxes, pilot moulds, master models as well as tools for molding pre-pregs composites.

Tooling boards are mainly applicated in the fields of automotive, aerospace,wind power,railway vehicle,yacht/ship building,household appliances, ceramics,shoe making,etc.