Prima Rock

Prima-Rock

High Strength Die Stone

ISO Type 4

PRIMA-ROCK has the highest compressive strength of any Whip Mix die material. Vacuum spatulation provides a smooth mix which flows readily. It’s compatible with all types of impression materials and upon setting, PRIMA-ROCK develops a dense surface with superior hardness.


Physical Properties

Water/Powder Ratio
20 mL/100 g
Working Time
6 – 8 minutes
Setting Time
12 minutes
Setting Expansion
0.13%
Compressive Strength, Wet (1hr.)
8,000 psi (55 MPa)
Compressive Strength, Dry (48 hrs.)
17,000 psi (117 MPa)
Item No. Description Price
 Yellow
16632 120-70 g Package  $131.18
330037 15kg (33 lb.) Carton Yellow  $71.07
16624 120-70 g Package  $131.18