Propylene Glycol Refrigerant Number

Propylene glycol is a propanediol that exists as a clear colorless and hygroscopic liquid and consists of propane where the hydrogens at positions 1 and 2 are substituted by hydroxyl groups.

Propylene glycol refrigerant number.

Operating with a 35 glycol to 65 water solution typically will protect from freeze up to 1 f the proper propylene glycol to water ratio mixture is very important in your chiller system. Nri offers the widest selection of refrigerant lubricant and propylene glycol products in a variety of sizes. Propylene glycol heat transfer fluid contains a performance additive that prevents metal corrosion lowers maintenance costs and improves heat transfer. It is a viscous colorless liquid which is nearly odorless but.

Because propylene glycol has a low toxicity level it can be used in equipment that has contact with food products and beverages. Propane 1 2 diol according to the us national library of medicine and the agency for toxic substances and disease registry is a synthetic liquid substance that absorbs water. An uninhibited usp food grade kosher 99 9 version is also available in 55 gallon drum. Too little glycol can lead to a costly freeze up.

Usually 35 40 inhibited propylene glycol is sufficient in all but the very coldest climates. Nc propylene glycol contains dowfrost heat transfer fluid that is manufactured using propylene glycol usp ep. Its chemical formula is ch 3 ch oh ch 2 oh. It can be used in equipment that has contact with food products and beverages.