Features: - Kneadable preliminary impression material for use in the classic double impression technique. Thanks to its firm mixing consistency, the material shows especially high stability during the impression process. - High elasticity and recovery on removal and contour accuracy during the model-making process are ensured. - Due to its final hardness of 72 shore A, Bisico S1 is ideal for making preliminary impressions according to the double impressions technique. Pack contains: - 2 x 300 ml jars of base and catalyst. - 2 x Spoons.