Includes: 1 x 300 ml (400g) base, 1 x 300 ml (400g) catalyst jars. and scoops. BONASIL A+ Lab Putty is a vinyl polysiloxane (VPS) high precision, multiple use, laboratory addition curing putty with a mixing ratio of 1:1. It is characterized by its ease of handling and high detail reproduction. Indications • Overcasts in dental laboratories • Casting models • Various dental technical procedures Characteristics – Advantages • Excellent consistency • Exceptional dimensional stability • Heat resistant • High detail reproduction • Non-sticky