Types of Coolants

TYPE A Coolants

• Inhibitors • Water • Glycols

Type “A” has an Anti-Freeze Anti-Boil component such as Ethylene Glycol or Propylene Glycol that raises the boiling point of the water and lowers the freezing point. There are different types of inhibitor packages used in Type "A" Anti-Freeze Anti-Boil coolants and different dosages of glycol content depending on the application.

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What is the difference between Type A and Type B Coolants?

Type A coolants contain inhibitors to protect the cooling system from rust, corrosion & cavitation as well as an effective Anti-Freeze/Anti Boil solution normally present as a type of glycol. Therefore Type A coolants will keep your cooling system from rusting and deteriorating as well as providing a lower freezing and a higher boiling temperature.

Type B coolants contain only inhibitors for rust, corrosion & cavitation. They DO NOT contain any Anti-Freeze/Anti-Boil emulsions. Type B coolants will keep your cooling system from rusting and deteriorating. If the Type B contains an effective anti-cavitation agent, then this can assist the cooling system to operate more effectively.

TYPE B Coolants

• Inhibitors • Water

Type “B” typically has no Anti-Freeze Anti-Boil performance and are essentially inhibitors only. There are different types of inhibitor formulations used in Type B coolants. Not all are compatible with one another.

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What is the difference between Concentrate and Pre-mix coolants

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%.

Penrite Pre-mix coolants are diluted with De-mineralised water to ensure no contamination enters the cooling system.

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