Materials first
Provide a complete list of wetted metals, seals and polymers. Aluminium-specific variants and higher-temperature variants should be reviewed individually.
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Heat transfer fluids
Diol-based secondary refrigerants with multiple metal-compatibility and high-temperature variants. Dilution is specified against the process temperature using pure water.
Modified diols
Catalogue reference values, not a final specification. Select the exact model and concentration with our technical team. Request the current technical data sheet and safety data sheet before use.
View source: catalogue page 15Compatibility differs across variants. The base LM-4A table lists stainless steel and carbon steel; do not assume every model supports every metal.
FROM FORMULATION TO APPLICATION
The original LM-4A range descriptions cover pharmaceutical, chemical and HVAC secondary-cooling applications, with separate variants for different operating duties.
Provide a complete list of wetted metals, seals and polymers. Aluminium-specific variants and higher-temperature variants should be reviewed individually.
Agree on concentration and water quality with the technical team. Do not substitute older website reference values for the catalogue model table or a current TDS.
LM-4A · LM-4AB · LM-4ABL · LM-4ABG · LM-4ABGL
Application notes are adapted from Glacier’s original product information. Numeric specifications on this page follow the supplied catalogue; earlier website figures may differ. Always obtain a current model-specific TDS and SDS. Links below point to the original source pages, not new technical documents.
Freeze protection and burst protection require different glycol concentrations. Learn the difference, and what to check before a cold weekend arrives.
Compare Glacier LM-4 and LM-8 coolant families by chemistry, model selection, materials and documentation—not generic performance or safety assumptions.