Zone Temporary Cement - TubesZone Zinc Oxide Non Eugenol Temporary Cement Tubes (includes base, catalyst and non slip mixing pad) . Compatible with all provisional materials. It will not soften, craze, or discolor acrylic or polycarbonate crowns. Zone Temporary Dental Cement is kind to the pulp and material and will not decalcify dentin. Zone Temporary Dental Cement has a 30 second mixing time and a 2 minute working time. This hard setting, crystalline cement assures consistent,