Comparing Secondary Coolants

The diagrams below can be used to compare specific gravity, freezing points and viscosity of secondary coolants

• ethylene glycol
• propylene glycol
• calcium chloride
• sodium chloride

Specific Gravity

• Specific Gravity

Freezing Points

• t_C = 5/9(t_F - 32)

Viscosity

• Viscosity Converting Chart

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• Engineering ToolBox, (2007). Comparing Secondary Coolants. [online] Available at: https://www.engineeringtoolbox.com/coolant-properties-d_1185.html [Accessed Day Mo. Year].

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