
Weldmark 929 Coolant Concentrate – Year-Round Pump & Cooling System Protection
Weldmark 929 is a high-performance coolant concentrate formulated to provide reliable, all-season protection for water recirculators and closed-loop cooling systems. Its specialized blend minimizes water evaporation, helping reduce the need for frequent fill-ups and maintenance. When used undiluted, Weldmark 929 delivers freeze protection down to -30°F. A 2:1 dilution (two parts Weldmark 929 to one part water) offers protection to -10°F.
Key Features:
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Year-round protection for closed-loop cooling systems and water recirculators
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Reduces water evaporation, lowering maintenance needs
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Concentrated formula protects to -30°F when used undiluted
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Dilution flexibility: Protects to -10°F at a 2:1 mix ratio
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Ideal for welding, plasma cutting, and industrial cooling applications
Applications:
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Welding equipment with integrated or external cooling systems
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Plasma cutters and laser systems
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Any closed-loop or recirculating system requiring temperature regulation and pump protection