Closed Systems

For more information on our range of closed system inhibitors, call us on:
+44 (0) 1344 873264


T4W have developed a range of closed system inhibitors which have a proven track record of combating corrosion in closed systems.

Our range of proven formulations helps protects closed systems from corrosion and scale formation. Our product range accommodates both cooling and heating systems and there is always a product suitable for your system; be it uniform or multi-metal.

Our range contains products which incorporate active components such as:

• Nitrite formulations

• Molybdate formulations

• Nitrite and Molybdate combinations

• All-organic

• Silicate nitrite


We have developed a range of premium concentrated inhibitor formulations to improve efficiency application cost and ease of application below are descriptions of two successful products currently on the market.


Synergised ultra-high molubdate inhibitor


Ultra-high all-organic inhibitor