Spherodon Plus amalgam 50/Jar - Silmet is an ultra-fine spherical ternary which is formulated as a single composition. Utilizes modern resin technology which gives it unique dimensional stability and corrosion resistance in restorations. Composed of 100% spherical alloys, 60% Ag with a high copper content in a non-gamma II phase. Features and benefits: Contains 100% spherical particles Outstanding compressive strength Excellent tensile stength Reduces micro leakage Offers convenient handling and smooth carving Extra low mercury-alloy ratio Specifications Particle Shape: 100% spherical Composition: Ag 56%, Cu 15.2%, Sn 28.8% Average Dimensional Change: 0.01% Average Compressive Strength (1hr): 171 MPa Average Compressive Strength (24hr): 485 MPa Average Creep: (7 days) 0.062% Non-Latex Shelf Life: 730 days Country of Origin: Israel