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Cast Aluminium / Bronze heaters provide for better results, where uniform heat distribution and efficiency is important. The high thermal conductivity of aluminium / bronze allows for an extremely uniform temperature to be applied to the component surfaces, alleviating hot or cold spots which may affect the equipments performance.
Heat is provided by a tubular sheathed wire element, which has long been recognised for its reliability, strength and adaptability. It is due to the versatility of this element that cast heaters can be manufactured to suit limitless applications and specifications.
Forced air cooling of extruder barrels using finned heaters has proved itself in the field for many years. Advances in casting methods producing more fin area and with increased output and efficiency of modern blowers enables air cooling to compete with water cooling in many applications.