If you are switching between a VPS material for final impressions and an alginate substitute for other situations, make the switch to Cinch for both applications. The accuracy of a final impression material like Cinch is far greater than what’s required in alginate substitute materials. Unique adaptable properties – capable of capturing the finer details. Exceptionally accurate, hydrophilic and strong. Versatile material that can be used as a final impression material or an alginate substitute. 90-sec. set, 60-sec. working time.