CAD-CAM Opera System Model Discs are suitable for milling dental models. Very easy to mill.  

Indications: Milling of stumps/dies, working models and antagonists. Verifying frameworks on plaster model before final ZrO2 milling (especially recommended for larger ZrO2 frameworks).

Composition Polyuréthane
Density 0.7 g / cm3
Flash point SUP 250ºC
Lower explosion limit 1,1 vol%
Upper explosion limit 8 vol%