
Whip Mix Prima-Rock is an ISO Type 4 high-strength die stone with the highest compressive strength of any Whip Mix die material (17,000 psi). Vacuum spatulation produces a smooth, free-flowing mix that is compatible with all impression materials, and once set it develops a dense surface with superior hardness. It offers a 6-8 minute working time, 0.13% expansion, and a 20:100 water-to-powder ratio, making it ideal for fabricating strong, durable dental dies and prosthetics.
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Sorted by lowest price · Add now, sign in at checkout





Whip Mix Prima-Rock is an ISO Type 4 high-strength die stone with the highest compressive strength of any Whip Mix die material (17,000 psi). Vacuum spatulation produces a smooth, free-flowing mix that is compatible with all impression materials, and once set it develops a dense surface with superior hardness. It offers a 6-8 minute working time, 0.13% expansion, and a 20:100 water-to-powder ratio, making it ideal for fabricating strong, durable dental dies and prosthetics.
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