Description
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Description
Description
Prima-Rock
An economically priced gypsum for all general purpose lab uses. ISO Type 3.
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.
Technical Data
- Water-Powder Ratio: 20ml / 100g
- 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)
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