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Contains virgin (not recycled) propylene glycol with Triple Protection corrosion inhibitor, ready to use formulation. Certified Performance: Freeze Protection Down to -70°F, Pumpable Down to -80°F, and Burst Protection Down to -100°F. Dilute for less severe conditions; check dilution tables in Hercules spec sheet to obtain desired protections. Not for use in boilers with aluminum heat exchangers.
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