MDI

POLYGROUT 520-series  is a liquid MDI-Ether prepolymer that reacts with water to produce a foam. It is for this reason that its main use is in controlling underground water in mining applications and crack filling to stop water seepage. POLYGROUT 520-series  contains no solvent based blowing agents or TDI and is therefore a much safer product to use. The higher hardness assists in the consolidation of the substrate and subsequent mining thereof.

520 SERIES ULTRATHANE 520 SERIES
520-270 POLYGROUT - MDI BASED WATERSTOP



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