Whipmix # 16624
Benco Product # 1116-392
Product Line: 2070C - LAB - GYPSUM - 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.