Retarders (RE)

Sika® Retarder N

Sika Retarder N is used to retard the setting time of the concrete to allow concreting under conditions of high ambient temperatures and placing of mass concrete. It is designed to be used for pumped, prestressed and structural concrete.

Sikatard® 930

SikaTard 930 is an admixture developed for the control of cement hydration. SikaTard 930 facilitates stabilisation of concrete mixes for long periods without negatively influencing their quality.