Description
Type 4. High compressive strength of die material. Vacuum mixing provides a smooth flowable mix which flows readily. Compatible with all types of impression materials. Prima Rock develops a dense surface with superior hardness.
Technical data:
Mixing ratio 100g:20ml; Working time 6-8mins; Setting time 12mins; Expansion 0.13%; Comprehensive strength after 1hr 55MPa, after 48hrs 117MPa.
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