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A “one step” conventional grouting product designed to be used from 20% to 25% solids. This product is occasionally used in GeoExchange applications and has a measured thermal conductivity ranging from 0.42-0.45 Btu/hr ft °F (depending on solids content) when mixed according to instructions. BH 20 offers the contractor up to twenty minutes of handling time without concern of flash hydration. This product needs no field additives. BH 20 is NSF listed to ANSI/NSF Standard 60, Drinking Water Treatment Chemicals – Health Effects.”