Castrol ON Direct Liquid Cooling PG 25
Castrol ON Direct Liquid Cooling PG 25 is a propylene glycol based fully formulated heat transfer fluid designed for use in computer applications.
Strong corrosion protection helps preserve metal surfaces against rust and chemical attack, supporting equipment longevity in environments where moisture or aggressive contaminants may be present.
Strong bio-stability helps the fluid resist microbial growth, supporting longer sump life and reduced maintenance demands.
Castrol ON Direct Liquid Cooling PG 25 is recommended as heat transfer fluid for Direct-to-Chip Cooling, Computer room AC units, Datacom Equipment Center Cooling and Propylene Glycol Loop Heat Transfer Exchangers. It’s strongly recommended not to mix this product with other similar products to ensure optimum performance and effectiveness. For further technical information please contact the Castrol sales representative or the Castrol technical team.
Castrol ON Direct Liquid Cooling PG 25 is manufactured to Castrol’s standard tolerances; users should consult the safety data sheet for handling, storage and disposal guidance.



