Straight water cools well, but provides no protection against rust or corrosion without corrosion inhibiting additives. ![]() NASCAR and drag cars usually run straight water in their cooling systems, but only because track rules designed to keep slippery ethylene glycol off the track in the event of a coolant spill. But straight water freezes at 32 degrees F and boils at 212 degrees F, which is not adequate for year-round driving or today’s hot running engines. Water is an efficient conductor of heat, which is good for cooling the engine and transferring heat to the radiator and heater core. Excellent hard water stability and very low inhibitor depletion rates.įor more on Rymax antifreeze and engine coolants, please click here.Antifreeze is mixed in equal parts with water to create a coolant solution that provides both freezing and boilover protection compared to straight water.Comes in ready-to-use (-36✬) and concentrate.Dione BS is a mono ethylene glycol based product which has been specifically formulated to be truly universal in its application.It provides a high degree of corrosion protection for all engine cooling systems whether they are predominantly of aluminium or ferrous construction.Rymax Antifreeze and Engine CoolantOur antifreeze and engine coolant help protect your engine from severe and serious damage. Our antifreeze and engine coolant help protect your engine from severe and serious damage.īecause not all coolants can be mixed, please check your owner’s manual to find out which coolant is suitable for your car and how it should be applied. Just as you would with lubricants, the coolant in your car’s cooling system needs to be inspected regularly, to be sure that you have enough. The extra additives present in a coolant also provides protection against corrosion. A coolant is therefore important as the synergy between glycols and water enable it to perform in cold and hot environments, all year round. Likewise, in very cold weather, the water would freeze when the car is sat idle, rendering the cooling system useless. Water alone is not enough to keep the system cool, for the high temperatures inside the motor would eventually boil and evaporate it entirely. Why Coolant is Important Without a coolant, the heat produced through constant internal combustion would destroy the engine very quickly. As it flows through the thin tubes in the radiator, the hot liquid is cooled by the air stream entering the engine compartment from the grill in front of the car.Once the fluid is cooled, it returns to the engine to absorb more heat.The water pump has the job of keeping the fluid moving through this system of plumbing and hidden passages. ![]() The heated fluid then makes its way through a rubber hose to the radiator in the front of the car. ![]() As the coolant flows through these passages, it picks up heat from the engine. The cooling system in your car works by sending the coolant through passages in the engine block and heads. Your car’s engine produces a lot of heat when it is running and must be cooled continuously to avoid engine damage. It is made from either ethylene glycol or propylene and is usually green, blue or even pink in colour. What is a coolant? A coolant (also called an antifreeze) is a special fluid that runs through your engine to keep it within its correct operating temperature range.
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