SH 400 is a high-performance, fast-setting, multipurpose repair material. Durable in wet environments, SH 400 is a blend of Fast-Setting hydraulic cement and quality aggregates. SH 400 is non-metallic, and no chlorides are added. SH 400 with water to produce a workable, high quality mortar material that is ideal where fast strength gain, high durability and low shrinkage are desired. SH 400 sets in 15 minutes and achieves structural strength in 1 hour.