THE GLACIER JOURNAL

A clearer view.
A better decision.

Ideas, explanations and practical questions for the people behind thermal systems.

Fluid fundamentals

3 articles

Frosted industrial pipework in winter conditions, suggesting freeze-protection requirements

My glycol concentration dropped — am I at risk of freezing or bursting?

Freeze protection and burst protection require different glycol concentrations. Learn the difference, and what to check before a cold weekend arrives.

September 11, 20267 min read

Liquid-cooled data center pipework with a regulatory document visible in the background

Fluid fundamentals

PFAS regulation and heat transfer fluids: what to confirm before you specify

The EU PFAS restriction sets out specific provisions for heat transfer fluids. See the timeline, the named uses, and what to verify before specifying a coolant.

September 11, 20266 min read

Industrial pipework and processing equipment illustrating a heat-transfer system

Fluid fundamentals

Secondary coolant vs refrigerant: know which circuit you are specifying

Understand primary refrigerants and secondary coolants, how their circuits differ, and what to check before specifying a Glacier heat transfer fluid.

September 11, 20263 min read

A clearer view.
A better decision.

Fluid fundamentals

My glycol concentration dropped — am I at risk of freezing or bursting?

PFAS regulation and heat transfer fluids: what to confirm before you specify

Secondary coolant vs refrigerant: know which circuit you are specifying

Your process is specific.
Your coolant should be, too.

A clearer view.
A better decision.

Fluid fundamentals

My glycol concentration dropped — am I at risk of freezing or bursting?

PFAS regulation and heat transfer fluids: what to confirm before you specify

Secondary coolant vs refrigerant: know which circuit you are specifying

Your process is specific.
Your coolant should be, too.

Fluid fundamentals

My glycol concentration dropped — am I at risk of freezing or bursting?

PFAS regulation and heat transfer fluids: what to confirm before you specify

Secondary coolant vs refrigerant: know which circuit you are specifying

Your process is specific.Your coolant should be, too.

Fluid fundamentals

My glycol concentration dropped — am I at risk of freezing or bursting?

PFAS regulation and heat transfer fluids: what to confirm before you specify

Secondary coolant vs refrigerant: know which circuit you are specifying

Your process is specific.Your coolant should be, too.

Your process is specific.
Your coolant should be, too.

Your process is specific.
Your coolant should be, too.