A majority of flexible heaters tend to be made from plastics or metals; obviously this all depends on the requirements of the application and the temperature range that they will be exposed to during the process. Other materials that are commonly used to manufacture flexible heaters include rubber, rope, certain adhesives, and polyimide films. These flexible heaters are manufactured in a way that will allow them to conform to a surface which requires heating in a number of different applications.
There are a series of questions that you will need to be able to answer about your application in order to find the right kind of flexible heater that will fit your needs. These details revolve around the wattage and voltage of the flexible heater, the overall size need for the flexible heater to fit within your limitations, how long the electric heater lead needs to be, temperature range of the application, whether or not the flexible heater needs to be wrapped around a surface or not and a number of other questions that vary from desired time of your process to the current insulation that you are utilizing. This may seem a little daunting at first, but knowing and understanding why these questions are useful is a great way to make your shopping experience a quick and painless one.
Another important reason for knowing these types of details about what your applications requires, is that it allows for you to make a more educated decision when it comes to picking a flexible heater manufacturer. You are going to want to work with a manufacturer who will listen to your needs and specifications in order to provide you with the best possible product for your unique situation.
A rope heater might be a great flexible heater if you’re looking to apply heat to some tubing, but it would be an awful choice if you are looking for tank heaters as rope heaters provide very little surface area compared to tank heaters and other forms of flexible heaters.