SAFE-T-THERM® Heat Transfer Fluid
For Use in Closed Primary and Secondary Loop Systems

SAFE-T-THERM® heat transfer fluid has been formulated with ingredients which are generally recognized as safe (GRAS) by the FDA for use as an aqueous heat transfer medium for closed primary or secondary refrigeration and cooling systems. Components in our formulation conform to the requirements of 21 CFR § 184.1666; 21 CFR § 182.6285; 21 CFR § 74.1705 § 74.1706 and § 74.2340, as applicable.

SAFE-T-THERM® is formulated for use in hydronic systems of all types especially when indirect contact with food, drugs or potable water occurs. Proper dilution with water of good quality is necessary to achieve desired freeze protection and heat transfer capabilities. Consult product specification sheet or call a Houghton Chemical representative for further information at 1-800-777-2466.


USDA Letter



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SAFE-T-THERM® is a registered trademark of Houghton Chemical Corporation