Accelerate Concrete Set Time with HYDRASET®-FREE


HYDRASET®-FREE Non-Chloride Concrete Set Accelerator is a ready-to-use, liquid admixture. It accelerates initial setting time one to three times faster than normal for mortar and concrete.

HYDRASET-FREE improves workability and strength while it hastens the hydration of cement. It makes the mix easier to place and speeds construction by shortening the initial set and curing time. Labor and time are saved, because forms and other protection can be removed earlier and finishing can be initiated. HYDRASET-FREE should not be limited to use during months when temperatures are in the 20º to 45º F (-7º to +7º C) range. Increased workability and earlier strength are also obtained when temperatures are in the 50º to 65º F (10º to 18º C) range, because any time the temperature drops below 70º F (21º C), there is a reduction in the rate of cement hydration.

HYDRASET-FREE is recommended for use during cool and cold weather to accelerate the set time and reduce the risk of frozen mortar and concrete mixes. However, HYDRASET-FREE can be used any time you want to accelerate the set time to decrease turnaround time.

HYDRASET-FREE is available in five-gallon pails and 55-gallon drums.

Also available from MEADOWS is standard HYDRASET, which features a calcium chloride formulation. This product is also available in five-gallon pails and 55-gallon drums.


• ASTM C 494, Type C • AASHTO M 194, Type C • Corps of Engineers CRD C 87, Type C
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