BISEAL RETARDER SH ADDITIVES, MOULD REMOVING, CURING, CLEANING AND BONDING AGENTS BISEAL RETARDER SHLiquid for delaying the setting of concrete. Allows preparation of exposed aggregate concrete. BISEAL-RETARDER-SH-Fichasbisealretardersh.pdf BISEAL-RETARDER-SH-SDSBISEALRETARDERSH.pdf