Prestone is yellow, but many other coolant manufacturers use different colours. “These days, there’s no real reason for a coolant manufacturer to use a certain colour, so it’s not easy for you to know what chemicals are in the coolant just by seeing whether it’s blue, green, yellow or orange.Jun 1, 2020
The old technology, a.k.a. “conventional,” a.k.a. “inorganic,” is green in color. Most of what you see on the shelves at Wal-Mart and AutoZone is conventional, including the yellow bottles of Prestone and the white bottles of Zerex. One of the new types is “organic acid technology,” or OAT. It’s orange.
Prestone is yellow, but many other coolant manufacturers use different colours. “These days, there’s no real reason for a coolant manufacturer to use a certain colour, so it’s not easy for you to know what chemicals are in the coolant just by seeing whether it’s blue, green, yellow or orange.
The Colors of Coolant
You might be thinking, “What color is antifreeze? What color is Dex-Cool®?” It’s true, coolant liquid comes in different colors, most commonly green (orange for Dex-Cool®).
Green antifreeze is made with special tweaks to the formula specifically to help prevent the corrosion of metals in a vehicle’s cooling system. That older formula is typically meant for vehicles made before the year 2000, which were built with more steel and copper components than modern vehicles.
(Green) Antifreeze + Coolant. Our superior formula for all Hyundai ®, Kia ®, Mazda ® & Mitsubishi ®; Suzuki ® older than 2010; Nissan ® older than 2009; Infiniti ® older than 2009; and Subaru ® older than 2009.
|Physical Properties and Chemical Analysis||SuperTech|
|Chloride, ppm (ASTM D5827)||7|
|Glycolate, ppm (ASTM D5827)||Not Detected|
|Formate, ppm (ASTM D5827)||Not Detected|
Concentrated coolants are packaged to be diluted to a specific coolant concentration ratio i.e 50% by mixing with water. Pre-mix coolants are already diluted with water at a preset ratio normally between 33% to 50%.
Prestone Prime Antifreeze/Coolant offers superior long-lasting performance over many other brands. Cars and light-duty trucks using this formula are protected against engine overheating for 150,000 miles or 5 years. Prestone Prime is also useful for heavy-duty vehicles, such as RVs and tractor trailers.
The truth is, color is not a reliable predictor for what type of coolant you have. For example, OAT coolants are usually orange, yellow, red or purple. … Then the older IAT coolant is green. Coolants that manufacturers sell can confuse matters even more, like Honda’s blue coolant.
While the manufacturers of these coolants recommend only using them in an aluminum radiator, as opposed to the copper/brass radiators, we still don’t recommend them in our all-aluminum radiators. … We recommend the traditional yellow/green coolant because it has always worked for us.
And you do need at least a 70/30 antifreeze/water mix for the best results. Typically, Valvoline says, coolant comes in green. … These different types of antifreeze all do broadly the same things. They prevent water from freezing and boiling off and inhibit corrosion and mineral deposits in the radiator.
Valvoline™ ZEREX™ Original Green provides superior cooling system protection for passenger, light-duty & heavy duty* vehicles.Mar 3, 2019
Both orange and green antifreeze serve as engine coolants, designed to keep it from freezing or overheating. They also defend the cooling system against corrosion.
Can I mix green coolant with orange coolant? This is one of those questions usually asked after the fact, and usually engine damage has already occurred. The green and orange coolants do not mix. When mixed together they form a gel-like substance that stops coolant flow, and consequently, the engine overheats.
|Hexanoic acid, 2-ethyl-, sodium salt (1:1)||019766-89-3||1.0-5.0|
|Neodecanoic acid, sodium salt||031548-27-3||1.0-5.0|
There is green antifreeze and orange antifreeze. … These days you can actually get yellow antifreeze, blue antifreeze, pink antifreeze and more. The fact is, mixing these liquids is not safe.
Hybrid Organic Acid Technology or HOAT: This coolant is usually dyed yellow but comes in other colors like green, pink, blue, red and orange, which leads to a lot of confusion. … Normally HOAT coolants are specified for vehicles newer than 2002, specifically Mercedes, Volvo, Ford, VW, Audi, Chrysler, BMW and Saab.
The two coolants should never be mixed together as they do not react well. When mixed together they can form a thick, jelly-like substance that can completely stop all coolant flow which can lead to overheating.
This Prestone AF2000 is the newer breed of “organic acid technology” (OAT) antifreeze/coolant. Other foreign manufacturers use “hybrid organic acid technology” (HOAT). This is due to each manufacturer looking at the quality of water in their region, as well as their own research findings.
The new Prestone bright yellow coolant is compatible with any coolant used by any car brand or manufacturer. It says so right on the label. I have 2 gallons of the stuff, mixed 50/50 with distilled water. 2 quarts of it mixed with 2 quarts of DEX-COOL results in a lighter “orange”, clear coolant.
Is Antifreeze or Coolant Flammable? Yes, antifreeze is flammable. This includes both ethylene glycol and propylene glycol. … They also state that the National Fire Protection Association (NFPA) has formally recognized antifreeze as a flammable liquid.
Inorganic antifreeze is formulated using Inorganic Acid Technology (IAT), and it contains ethylene glycol.
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