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Larsen Rapid Hardenener and Frostproofer 200LtrSKU: 135RHF200
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Rapid Hardener & Frostproofer is a set and hardening accelerator for concrete and mortar. It is a highly concentrated calcium chloride based liquid admixture formulated to accelerate the setting time of cement based mixes in cold weather and increase the rate of hardening of concrete and other cement mixes.