Imprint 4 Penta Heavy Super-fast A-silicone with active self-warming. Compatible with all Pentamix automatic mixing units. One of the shortest intra-oral setting times – just 75 seconds. Indicated for all precision impressions using the 1-step and 2-step impression techniques: crown & bridge, inlay & onlay, orthodontic, prosthetic and implant impressions. Contains: 2 x Base Paste 300ml & 2 x Catalyst 60ml.