Calibra Universal Self-Adhesive Resin Cement – Bleach, Dual Cure, Automix, OpaqueCalibra Universal Self Adhesive Resin Cement combines esthetic shading with an exceptionally strong self etching adhesive. This makes it suitable for the permanent cementation of metal, PFM, onlays, crowns and much more without the need for a separate bonding system. Long gel phase tack cure window for up to 10 seconds Very high bond strength after the 6 minute cementation step Low film thickness Shade Stable Technology helps avoid shade shifting