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Language Acrylate has water-like viscosity for hairline cracks down to 0.02mm. PU has higher viscosity for larger voids and active water flow stopping. Acrylate forms flexible gel up to 300Kpa and swells 30-80% on water contact. PU becomes brittle over time with moisture cycling.
Choose acrylate for fine cracks, basements, tunnels, and drinking water structures. Choose PU for active water stopping and emergency leak control. YIXIUWORLD offers factory-direct freeze-dried acrylate worldwide with OEM available.