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Boy asked me what's special about the antifreeze

Geo-TH,In

Geo-TH,In

Well-known Member
My Boy asked me what's special about the antifreeze in his Toyota.
I told him I don't know. So here is what google has to say.



Toyota 50/50 Pre-Diluted Super Long Life Antifreeze/Coolant
https://parts.toyota.com/p/Toyota-5050-Pre-Diluted...
Genuine Toyota Super Long Life Antifreeze/Coolant is a new generation ethylene glycol based coolant which is pre-diluted 50:50 with de-ionized water for freeze protection to -34F. Non-silicate, non-amine, non-nitrite and non-borate coolant formulated with long-life hybrid organic acid technology. Specifically formulated for Toyota engines for a service life beyond the range of conventional coolants.

What's de-ionized water? I'm guessing it not your run of the mill tap water.

I'm guessing everyone has special requirements for antifreeze used in their new cars/trucks and tractors.

Antifreeze isn't just ethylene glycol and tap water.
 
THats what I was wondering. I used to buy distilled water at the grocery store and I would use it to top up batteries. I would use distilled water to mix anti freeze because it has no minerals , don't know if its de ionized
 

From the web:

Both distilled and deionized water are fit to drink.
Deionized water is purer than distilled water.
Distilled water conducts electricity, while deionized water does not.

You can drink both but do not on a regular basis.
 
That's what I was thinking. When I was working I used a laser welder to make up tiny thermocouples. I had to replace the xenon strobe in the laser chamber, new to me so
I read the manual. I was surprised to see ow simple it was and the whole laser chamber was flooded with DI water from a reservoir and pump for cooling
 
I wonder how do you de ionize water??
Reverse osmosis?? no clue.
Seems toyota has their reasons.
BTW Boy took his car to dealer for service. They said water pump had leaked at one time. They installed a new one for free. I bet they wouldn't have done that if the discovered he used the wrong antifreeze.
 
Since you took the time to do a google search on antifreeze then why not just do another search on DI water?

Both DI water and distilled water will conduct electricity, although poorly, due to dissolved atmospheric gasses (both DI and distilled) and possible contamination with organic ions in the case of DI water. DI water may contain organic acids or bases, bacteria etc.. which are not typically removed to any great amount by the ion exchange resin. Distillation will remove those contaminants and therefor distilled water is considered a purer form of water. The distillation process is expensive whereas the DI processing is not so DI water would be used in non-critical processes such as in antifreeze.

DI water and distilled water are NOT the same but can have similar uses depending on the application.
 
George, I'm pretty sure distilled water is de-ionized. But there are other ways to make de-ionized water besides distillation, notably reverse osmosis, so I think 'de-ionized' is just a generic term for what we usually call 'distilled' water. Distillation is a particular process, but it takes a lot of energy so reverse osmosis is preferred for industrial-scale production of de-ionized water.

As for what's special about Toyota antifreeze, the main thing is the additive package. Old-school antifreeze used what we now call 'non-organic' corrosion inhibitors. (Remember the Prestone ads that touted their 'silicone-silicate' formula?) Non-Organic Additive Technology, or NOAT for short. NOAT antifreeze has pretty much gone by the wayside in favor of Organic Additive Technology (OAT) antifreeze. Dex-Cool is an example of OAT, and I believe all the US manufacturers specify OAT antifreeze.

The European and Japanese manufacturers have each come up with their own variations on OAT antifreeze that combine OAT and NOAT additives, so they're called Hybrid Organic Additive Techology (HOAT). The European antifreeze contains silicates is called Si-HOAT. The Japanese version contains phosphates, so it's called P-HOAT.
 
george , several years ago we switched at my body shop from diamont refinish products to ppg envirobase water borne refinish system. we use de ionized water as the reducer in the color coat. no petroleum solvents in the base . primers, sealers and clears are still solvent based.
 
DI water has minerals removed and is highly crossive to ferrous metals. We had DI set up at work for water injection into engines. Tge piping had to be pvc or stainless. Distilled water has no calcium to plug your radiator like the hard indina water does. Tge water that drips out of a window a/c unt is sort of distilled water.
 
Mark,
Only one time, the coolant in my old 95 GMC truck grew a bacteria that smelled like a dead mouse.
I may have used the old school straight antifreeze and tap water.
I couldn't find the dead mouse in my garage. Finally discovered it was my water pump leaking a few drops of antifreeze. Took me a while to find the smelly mouse.
Who would have thunk that could happen?
 
Ah, those offshore Toyota Asian engineer guys are just out to scam us here and send us to the poor house. It's just a big conspiracy. Like the premixed 50/50 antifreeze, making me pay $10 per gallon for probably tapwater and all that fancy 2-stroke oil they try to sell me for my chainsaw. Good old regular antifreeze of any make or color and water from the pond out back is plenty good. As far as 2-stroke oil, just use what's left over from deep frying chicken, works for me. Don't listen to all that stuff, they're out to get ya !!!!
 
They always recommend their brand because they make a commission on it. De-ionized water is just water without minerals in it. I've always been told to use distilled water in a radiator or battery. Last I heard there is no minerals in distilled water. I don't see how you can go wrong with 100% antifreeze thinned with distilled water.
 
> Only one time, the coolant in my old 95 GMC truck grew a bacteria that smelled like a dead mouse.

I'm not sure what that has to do with Toyota antifreeze, George. But since we've now moved on to the subject of dead mice, I'll mention I once found a dead mouse in the oil cup of my tractor's oil bath air cleaner. Had been in there for months. That was some ripe oil!
 
Wouldn't happen to be injecting Deionized water into jet engines on KC-135 or B-52G model aircraft at work would you?
 
Distilled water is water that was heated into steam and then cooled back into water.
The evaporation process leaves behind the impurities.
Basically rain water is the same process.

Deionized water is chemically treated and filtered water to remove impurities.
Dumping in some chemicals and running the water threw a filter is quicker; easier; and most likely cheaper.
 
I'm not sure what that has to do with Toyota antifreeze

Impurities in tap water can cause bacteria to grow..
Good reason to use pre mixed 50 50 that factory recommends.
 
Deionized water is usually water that has been run through filters to remove particulate matter then activated charcoal and then through reverse osmosis and finally through several resin beds to remove cations and anions. The resin beds are made up of different ion absorbing compounds and the resin is not tree resin. It is just the term for the beaded material in the columns. The columns are often referred to as mixed bed ion exchange columns.

The charcoal is used to remove organic compounds that do not have positive or negative charges such are gasoline, insecticides and various other organic compounds.

Distilled water takes a lot of energy to produce just like in making moonshine so RO is less expensive and quicker. I am not sure of the order or sequence the water is processed through.
 
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