National Dental Supplies Ltd


NDS' AlphaRock Type IV Diestone is a formulated hemihydrate plaster (CaSO4.½H2O) produced from naturally occurring gypsum minerals.

The Stone can be used in dental laboratories to fabricate dyes and master casts.

Colour: Blue

Powder to Water Ratio: 10:2.2

Setting Time (Minutes): 12

Compressive Strength (@1 hour): Min. 35 Mpa