POLARIS Laboratories® has over 32 component types to select from for samples pulled from the cooling system. This can become overwhelming. Why are there so many options when the sample is pulled from the cooling system? The reason there are so many options is because a coolant component type represents:
- The type of inhibitor packaged used for cavitation protection
- The type of glycol
- If the sample is new, a concentrate or in-service
8 Common Formulations
There are at least eight common formulations to select from. Once the formulation is determined, the base glycol will need to be selected. After the formulation and glycol base are selected, there are three options to select from to determine if the sample is a baseline or in-service. This is why there are so many options when it comes to selecting the appropriate coolant component type.
The antifreeze formulation can be provided by the Coolant Manufacturer. Anyone submitting samples, purchasing and maintaining cooling systems should know the type of antifreeze utilized in their fleet. The antifreeze information will help indicate if the coolant formulation meets OEM specifications. OEMs specifications will help regulate what formulation is compatible with equipment, seals and hoses. New, advanced equipment technologies and a competitive coolant market will also help drive the different combination of coolant inhibitors being utilized. A mixed OEM fleet may require different antifreeze formulations on-site to meet specifications or a single antifreeze formulation may be acceptable for all OEMs in the fleet.
Selecting the Correct Formulation
Selecting an accurate formulation of antifreeze for the equipment is important. If antifreeze information is unknown and submitted to the laboratory for testing, we default to consider it a conventional ethylene glycol. If the test package evaluates all possible inhibitors we test for, we will be able to determine what type of antifreeze formulation may be in the system. The coolant component type will determine how the results are analyzed and what recommendations are applied on the final report.
To help understand component types and learn the steps for how to select the correct coolant component type, view our Technical Bulletin, Selecting Coolant Component Types.
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