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.
- 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)