Cast-In Heaters 

Durex Industries is a leading manufacturer
of cast-in heater products in North
America. When you choose a supplier of
critical thermal components, reliability,
quality, and experience are paramount to your decision.

As an ISO 9001:2008 registered firm,
Durex is a totally integrated manufacturer
of these heater products. This process
includes material certification, heating
element manufacturing and forming, our
in-house foundry, CNC machining centers, electrical terminations, Teflon® coating,
and final inspection.

Cast In heaters of aluminum and bronze manufactured to customer specifications.
Air and liquid cooled barrel heaters for
extruders. Platens for presses, packaging
and foodservice. Pedestals and bake
platens for semiconductor processing.



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Cast-In Heaters
Utilizing state of the art heater technology, Durex manufactures precision cast-in bake platen heaters specifically for semiconductor processing 200mm and 300mm wafers.

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The cast-in pedestal heater for semiconductor processing is basically a bake or chill platen that has an aluminum “neck” attached to the underside of the cast-in platen by electron beam welding.

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The cast-in bake/chill platen heater for semiconductor processing has essentially the same operating specifications as the cast-in bake platen with the addition of a cooling function.

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Durex manufactures cast-in hot chucks or “heated tools” for semiconductor processing that deliver precise heat to wafers during the manufacturing process.

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Durex Cast-In Platen Heaters are manufactured from aluminum or bronze alloys

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Cast-in ring heaters are used in various punching, forming, sealing, and warming applications.

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When temperatures exceed the 450°C-temperature range offered by aluminum platen heaters, Durex offers a unique high temperature platen heater to extend the range available for a machined heater.

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The standard cast-in pedestal heater manufactured by Durex for semiconductor processing is designed to provide a quick solution for wafer processing applications.

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Custom designed cast-in thermal components are more than a heating element that is cast into metal. They are heated parts, which become integral components of complex processing systems.

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Finned air-cooled cast-in designs provide effective heating and cooling for plastics extrusion barrels.

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Liquid cooled cast-in barrel heaters are the most common cast- in heater design used on plastics extrusion barrels.

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Individual shroud and blower systems can be used with finned barrel heaters as self contained systems on extruder barrels.

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The “L” shape cast-in heater design is typically used on square and rectangular extruder barrels, which utilize a twin, screw design.

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Special sections of the cast-in extruder barrel such as a vent or feed throat require custom modifications to fit properly.

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Although not a common design, heat only cast-in barrel heaters are available primarily with the stainless steel mounting strap option.

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The Hollow Cast® nozzle heater design was developed by Durex to provide a maximum efficiency-heating device for plastic molders.

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Cast-in cooling jackets are manufactured for specific applications that do not require heat, but require a uniform cooling source, which can be controlled.

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