Wax
Technology
Turning heat into motion !
Thermostatic technology typically uses a blend of paraffin waxes chosen for their predictable melting and expansion properties. As the temperature rises and reaches the wax’s melting point, it transitions from solid to liquid, expanding and moving a piston, rod, or diaphragm to activate a valve or switch. When the temperature drops and the wax solidifies, it contracts, reversing the movement and completing the temperature regulation cycle. The wax’s specific properties are key to the reliable operation of thermostatic devices.
What it is ?
- Composition of thermostatic wax :
- Paraffin Waxes: The primary component is paraffin wax, which is a hydrocarbon compound derived from petroleum. Paraffin waxes are chosen for their stability, non-reactivity, and consistent melting points.
- Microcrystalline Waxes: Sometimes, microcrystalline waxes are blended with paraffin waxes. These waxes have smaller, more branched crystals, which can enhance the wax’s mechanical properties and improve its ability to fill gaps in the mechanism.
Properties of wax
- Melting Point: The wax is formulated to melt at a specific temperature range that suits the application. This melting point must be precise to ensure reliable performance of the thermostat.
- Expansion Rate: The expansion of the wax upon melting must be consistent and predictable. This ensures that the mechanical movement generated by the expanding wax can be accurately controlled.
- Thermal Stability: The wax must remain stable and maintain its properties over many heating and cooling cycles. It should not degrade or lose its effectiveness over time.
Where to find ?
- Wax thermostatic technology finds application in several key areas where precise temperature regulation is essential.
- Home & Building application : Sanitary / Heating / Ventilation
- Mobility applications : Automotive / Truck / Heavy duty / 2 wheel
- Aerospace & Defense : Commercial aviation / Military aviation
Don’t hesitate to contact your territory manager for your projects!