What does coolant silicate drop out cause?

What does coolant silicate drop out cause?

The problem is the result of “Silicate Drop Out”, a condition where the silicates in the antifreeze precipitate or fall out of solution. Because of this potential problem and the extreme heat load placed on engine coolant in todays vehicles, the coolant needs to be checked and replaced much more often than in the past.

Which antifreeze is most toxic?

ethylene glycol
Most antifreeze is made from ethylene glycol. Ethylene glycol-based antifreeze tastes sweet but is highly toxic to both humans and animals.

Is antifreeze still poisonous to humans?

It isn’t considered harmful in small amounts, according to the Agency for Toxic Substances and Disease Registry (ATSDR). On the other hand, ethylene glycol and methanol are hazardous and poisonous if ingested. It only takes a small amount of antifreeze to poison the human body and cause life-threatening complications.

What is low silicate antifreeze?

Conventional Low-silicate This is commonly called antifreeze. It’s a bright green fluorescent liquid that contains silicates. This compound salt includes both silicon and oxygen molecules that work as resistors within the fluid to increase the boiling point and lower the freezing point.

What cooling systems concerns can be caused by mixing coolant with hard water?

A 1/16 of an inch of hard water scale will make your cooling system 40% less effective. That means your engine is apt to get 40% hotter than it should be and that can cascade into many other engine-related issues. A less effective cooling system can lead to your engine overheating.

What is OAT coolant?

An organic additive technology (OAT) coolant contains only organic corrosion inhibitors such as carboxylates and triazole. These virtually non-depleting corrosion inhibitors give OAT coolants an extended life which can often be for the lifetime of the engine or vehicle.

How much ethylene glycol is toxic?

The orally lethal dose in humans has been reported as approximately 1.4 mL/kg of pure ethylene glycol. That is approximately 224 mL (7.6 oz.) of 50% ethylene glycol for an 80 kg adult and 56 mL (2 oz.) for a 20 kg child.

Why do alcoholics drink antifreeze?

Alcoholics may also drink it as a substitute for alcohol (ethanol). Ethylene glycol is itself relatively nontoxic. However, it is metabolized (changed) in the body by the enzyme alcohol dehydrogenase into glycolic acid, glyoxylic acid and oxalic acid, which are highly toxic compounds.

Can antifreeze be detected in an autopsy?

An autopsy determined that the victim’s kidneys contained a substance suspected to be ethylene glycol, a chemical found in antifreeze. If taken in small doses, ethylene glycol will crystallize in the kidneys and eventually kill a person, police said in court records.

What does silicate do in antifreeze?

Currently, these green coolants typically use a phosphate/ silicate mix as the main components in their inhibitor system. Conventional inhibitors like silicates and phosphates work by forming a protective blanket that actually insulates the metals from the coolant.

Why are some coolant silicate free?

Firstly, the car coolant MUST contain ethylene glycol. Secondly, the coolant MUST NOT contain any silicate. Silicates are anti-corrosive chemicals that are quite helpful in cars as they help inhibit aluminum corrosion. For motorcycles, however, they can attack your water pump or seals.

Do you have to mix coolant with distilled water?

Always mix it with distilled water. And the way you do that is before you pour anything back into the cooling system or put it in at any time, you mix coolant and distilled water fifty-fifty, then you put the mix in. Namely, you don’t put any water in it–you just put pure anti-freeze in your radiator.

How long does Zerex extended life antifreeze last?

With the addition of an extender product, you can go 6 years, 14,000 hours, or 600,000 miles without changing your antifreeze. ZEREX Extended Life Antifreeze/Coolant uses the highest quality virgin ethylene glycol for freeze and boilover protection, and an organic acid corrosion inhibitor…

What does Valvoline Zerex original green coolant do?

Valvoline™ ZEREX™ Original Green Antifreeze / Coolant provides: Low-silicate chemistry for heavy-duty applications with use of SCA. Corrosion inhibitor package provides rust and corrosion protection. Helps prevent boil-overs and freeze-ups. Use in vehicles that specify traditional green coolant.

What do you need to know about Zerex original Green?

ZEREX ™ Original Green provides superior cooling system protection for passenger, light-duty & heavy duty* vehicles. Used for decades by many automakers worldwide, the formula is proven to provide the formula provides excellent corrosion and freeze protection. Select a specific product above, then click “Find!”.

What kind of chemistry does Zerex G-05 use?

ZEREX ™ G-05 ™ is the automaker approved original chemistry used in newer Ford, Chrysler and Mercedes-Benz automotive and diesel engines. Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of conventional and organic acid-based chemistry to provide the ultimate protection against rust and corrosion.