Better? Maybe/maybe not. http://knowhow.napaonline.com/what-is-hoat-coolant-4-things-you-need-to-know/
Ethylene glycol isn't actually bad for the environment. It readily breaks down and degrades. It's just toxic to aminals should they ingest it. On the other hand, many other coolants may not be toxic to animals but they don't biodegrade. Propylene glycol is one of them IIRC. I had been the type to try for the latest and greatest products but when I learned that ethylene glyco is arguably less impactful to the environment I switched back. It's more common and cheaper too. "Ethylene glycol does not persist in large amounts in ambient air because breakdown is rapid (half-life in air is 8-84 hours). In environmental exposure situations, its low vapor pressure precludes substantial inhalation exposure at ambient temperatures, and its poor skin absorption prevents significant absorption after dermal contact. Ethylene glycol is miscible with water and will leach through soil to groundwater. It biodegrades rapidly in soil (half-life, 2-12 days). The half-life ranges from 2-12 days in surface water and 4- 24 days in ground water. Because it is not fat soluble and biodegrades rapidly, bioconcentration and bioaccumulation are insignificant (Agency for Toxic Substances and Disease Registry 1997" Do your own research by Google searching or pulling the SDS on your coolant of choice. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Thu, Aug 27, 2020, 16:30 Ronald B. Frerker via CnC-List < cnc-list@cnc-list.com> wrote: > Dennis, is that any better than the ethylene gylcol standard, or the same > but more environmentally friendly? > Ron > Wild Cheri > C&C 30-1 > STL > > On Thursday, August 27, 2020, 02:56:18 PM CDT, Dennis C. via CnC-List < > cnc-list@cnc-list.com> wrote: > > > *OAT* coolant is pink. OAT is an acronym for Organic Acid (Additive) > Technology which describes the type of materials responsible for the > corrosion protection offered by a *coolant* of this type. It's still a > marine and automotive coolant. > -- > Dennis C. > Touche' 35-1 #83 > Mandeville, LA > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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