USP-grade, Kosher-certified inhibited propylene glycol heat transfer fluid, premixed at 50% concentration. USP grade means propylene glycol purity of ≥99.5% against United States Pharmacopeia monograph limits — the specification to quote when a pharmaceutical or cleanroom loop falls inside a validated or GMP-audited envelope.
Freeze protection to −28°F. Burst protection extends meaningfully below that figure: propylene glycol solutions form a pumpable slush as they cool rather than a solid block, so pipework survives well past the stated freeze point. Full concentration-versus-temperature data is in the technical reference charts.
Shipped factory-premixed with deionised water, so there is no blending on site and no risk of diluting with hard water. Mixing concentrate with high-mineral tap water is the most common cause of premature inhibitor depletion and scale in glycol loops.
Dyed pink for leak detection. The colour is a safety feature, not cosmetic — it lets you trace a weeping fitting or a failing heat exchanger before the loss shows up as a pressure drop. Why heat transfer fluids are dyed.
Typical applications
- Pharmaceutical manufacturing HVAC and process cooling
- Cleanroom and controlled-environment chilled water
- Validated systems requiring documented lot traceability
- Kosher-certified food and beverage production
- Nutraceutical, cosmetic and personal-care process cooling
Certifications & documentation
- USP grade — propylene glycol purity ≥99.5%
- Kosher certified
- Lot traceability with Certificate of Analysis (COA) and Safety Data Sheet (SDS) supplied with every shipment
USP costs more than industrial or NSF food-grade fluid, and it is not always necessary. When the USP upgrade actually matters walks through where the spend is justified.
Available pack sizes
- 55-gallon drum — part no. 06362DR55
- 275-gallon tote (IBC) — part no. 06362TOTE
Need a full truckload, a repeating supply contract, or a concentration we do not stock? Request a bulk quote and we will price it.
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