What is carboxylate coolant?
The Role of Carboxylate-Based Coolants in Cast Iron Corrosion Protection 2001-01-1184. Nitrites have long been added to heavy-duty coolant to inhibit iron cylinder liner corrosion initiated by cavitation. Unlike nitrites, carboxylate inhibitors deplete slowly and thus do not require continual refortification with SCA’s …
What are the three types of antifreeze?
There are three main types of coolant that car companies use: Inorganic Additive Technology (IAT), Organic Acid Technology (OAT), and Hybrid Organic Acid Technology (HOAT). Typically, older cars use IAT.
What is the strongest antifreeze?
Valvoline MaxLife Engine Antifreeze : Best Multi-purpose Antifreeze.
What is the coolest running antifreeze?
- Editor’s Pick: EVANS Cooling Systems High Performance Waterless Engine Coolant.
- Best Budget Option: ProLine Extended Life Antifreeze/Coolant Full Strength.
- Best Diesel Option: Zerex G-05 Antifreeze/Coolant.
- Recochem OEM Pink Premium Antifreeze Concentrate.
- Zerex Original Green Antifreeze/Coolant, Concentrated.
What kind of coolant is purple?
The Colors of Coolant
| TYPE | INHIBITOR TECHNOLOGY | COLOR |
|---|---|---|
| HOAT (Hybrid OAT) | Silicates & Organic Acids | YELLOW |
| HOAT (Hybrid OAT, Phosphate-free) | NAP Free | TURQUOISE |
| P-HOAT (Phosphated HOAT) | Phosphates & Organic Acids | PINK / BLUE |
| Si-OAT (Silicated HOAT) | Silicates & Organic Acids | PURPLE |
What is the difference between green and blue coolant?
Both coolants will work equally as well in your Nissan, so in terms of a performance benefit there really isn’t a difference. We personally would probably use Nissan Green as it comes in concentrated form (makes it a bit cheaper) and feel that changing the coolant more regularly is better for preventative maintenance.
What brand of antifreeze is Hoat?
Valvoline’s Zerex G-05 antifreeze is a hybrid organic acid technology (HOAT) chemistry that combines the best of conventional and organic acid-based chemistry to provide protection against rust and corrosion.
What antifreeze is pink?
Valvoline™ ZEREX™ Pink Fully Formulated HD Antifreeze/Coolant is a low-silicate formula charged with special inhibitors to protect heavy duty diesel engines from liner pitting and corrosion.