Kit of 1 - tube base, 1 - tube catalyst, and 1 non-slip mixing pad Zone™ temporary cement has a noneugenol, zinc-oxide formulation and is compatible with all provisional materials. It will not soften, craze or discolor acrylic or polycarbonate crowns. It is gentle on the pulp and tissue and will not decalcify dentin. 30 second mixing time with a 2 minute working time Hard setting, crystalline cement ensures consistent, superior retention, yet permits easy removal and cleanup Low in water solubility and resistant to breakdown in the oral environment, thus providing long-lasting results