SILPAST is a silicone addition putty, specifically formulated for laboratory use. Of exceptional high quality,SILPLAST guarantees outstanding reproduction of detail, excellent mechanical properties and highinertia to chemicals and UV radiation. Detachment from organic resins and stone is excellent. It does not release toxic substances during and after curing and is biocompatible. Available in two hardnesses: 82 Sh, pink, and 90 Sh, light blue.