What is carboxylate coolant?

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.

  • Shell Rotella ELC Nitrite Free Antifreeze : Best Antifreeze for Diesel Engines.
  • EVANS Cooling Systems High-Performance Waterless Engine Coolant : Best High-Performance Coolant.
  • Havoline Xtended Life Engine Coolant : Best Ready-To-Use Coolant.
  • What is the coolest running antifreeze?

    1. Editor’s Pick: EVANS Cooling Systems High Performance Waterless Engine Coolant.
    2. Best Budget Option: ProLine Extended Life Antifreeze/Coolant Full Strength.
    3. Best Diesel Option: Zerex G-05 Antifreeze/Coolant.
    4. Recochem OEM Pink Premium Antifreeze Concentrate.
    5. Zerex Original Green Antifreeze/Coolant, Concentrated.

    What kind of coolant is purple?

    The Colors of Coolant

    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.