AntiFreeze & Coolant Readymix
£5.45
- Ethylene or Propylene Glycol (40–90%)
- Main antifreeze agent. Stops the engine from freezing or overheating.
- Water (40–60%)
- Helps carry heat through the system. Used in pre-mixed coolant.
- Diethylene Glycol (1–5%)
- Adjusts thickness and improves cold-weather performance.
- Corrosion Inhibitors (0.5–5%)
- Protects engine parts from rust and corrosion. Includes silicates, phosphates, nitrites, borates, and organic acids.
- Surfactants and Defoamers (0.01–5%)
- Improve flow and stop foaming or bubbling.
- pH Buffers (~0.2%)
- Keeps the coolant’s acidity balanced to protect metal parts.
- Dyes (<0.01–5%)
- Adds colour for identification and spotting leaks.

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