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 Gravities

• Specific Gravity

Freezing Points

• t_C = 5/9(t_F - 32)

Viscosities

• Viscosity Converting Chart

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