Fast-setting hydraulic cement in dry powder form that after
mixing with water, instantly plugs leaks in masonry, cracks in pools, walls,
floors and other places, in less than 7 minutes. It replaces the use of
cement. It is nonmetallic, non-oxidizing, and non-toxic and when cured it is
non-shrinking, but expands as it sets. Ideal to anchor bolts, machinery and
pipes; Because of its high structural strength will even set under water
making it ideal to repair docks.