Castrol Radicool SF-O Premix, a heavy-duty, nitrite-free, extended-life antifreeze/coolant, is a premium quality, Organic Acid Technology (OAT), ethylene glycol-based fluid. Specially formulated with advanced additive technology, this product provides extended service maintenance protection in heavy-duty applications without the addition of SCAs, and meets nitrite-free coolant requirements of many industry-leading OEMs.
ADVANTAGES:
Castrol Radicool SF-O Premix is your cooling system’s best defense.
- Extended service life of 1,000,000 miles or 20,000 hours.*
- Free of phosphates, silicate, nitrites, amines and borates.
- Offers excellent cavitation protection for wet sleeve liners.
- Contains better heat-transfer properties than conventional coolants requiring SCAs.
- Eliminates maintenance with no SCAs required.
- Provides freeze and boil-over protection.
- Extended life corrosion protection for steel, solder, copper, iron, brass and aluminum.
- High-quality defoamer system; non-harmful to hoses, plastics or gaskets.
- Compatible with most major American brands of coolant technologies including conventional and Organic Acid Technology (OAT).
* Proper inhibitor level should be determined by coolant testing. The recommended test interval is 300,000 miles, 6,000 hours or 1 year, whichever comes first.