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DOWTHERM SR-1 inhibited ethylene glycol offers effective heat transfer over a wide temperature range: from -60 °F to 250 °F and provides freeze protection down to -60 °F.

DOWTHERM SR-1 50% heat transfer fluid is an inhibited ethylene glycol that offers effective heat transfer over a wide temperature range: from about -28 °F to 250 °F.

DOWTHERM SR-1 40% heat transfer fluid is an inhibited ethylene glycol that offers effective heat transfer over a wide temperature range: from about -8 °F to 250 °F.

DOWTHERM SR-1 30% heat transfer fluid is an inhibited ethylene glycol that offers effective heat transfer over a wide temperature range: from about 7 °F to 250 °F.

DOWCAL 200 30% is an imported, inhibited propylene glycol-based fluid, diluted 70% with reverse-osmosis water with recommended operating temperature ranges of -50 °C to 175 °C.

UCARTHERM Heat Transfer Fluid is a biodegradable ethylene glycol based fluid that provide outstanding freeze and burst protection from -60 °F to 275 °F.

DOWTHERM 4000 inhibited ethylene glycol (EG) is comprised of about 92% EG and 8% corrosion inhibitors and has a bright fluorescent orange color. The lower EG content allows for a higher concentration of corrosion inhibitors which in turn means DOWTHERM 4000 is capable of operating at higher temperatures than DOWTHERM SR1 i.e. from -60 °F to 350 °F. This makes DOWTHERM 4000 a higher end, niche type product which is also capable of providing freeze protection down to -60 °F.