Accudent XD Alginate Syringe Impression Material, 12 - 9 g Packets. Irreversible hydrocolloid impression material used for dentate and edentulous impressions. Syringe material is a lighter body viscosity than the tray material. Dual-phase for more accuracy and precision than traditional alginates. Premeasured and packaged for predictable and precise mixing. Yellow. Regular set time for optimum productivity. 12 - 9 gram packets