Por-Rok anchoring cement is a non-shrink hydraulic controlled expansion cement in a ready to use preparation. Water is added at the job site to create a pourable, yet durable, anchoring, patching or grouting compound. Sets in 15-20 minutes. 1 lb. of Por-Rok yields approximately 13 cubic inches. Attains compressive strength of 5,090 psi after 60 minutes, and 9,254 psi after 7 days. Use Por-Rok to set anchors, patch concrete floors and walls, and for grouting heavy machinery and structural columns. Packaged in heavy duty plastic buckets.