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Cast-In Aluminum Heaters are an essential component for all plastics extrusion machinery. Cast-In Aluminum Heaters are made of aluminum or bronze. Stringent machining tolerances on the inside working surface and high quality heating element construction guarantee high performance.

Shenlgong offer Cast-In Aluminum Heaters precise design and manufacturing to meet our customer’s mechanical, temperature and reliability requirements Cast-In Aluminum Heaters can be manufactured with one or multiple electrical heating elements with excellent thermal conductivity, to meet your specific design and thermal performance requirements. Our production capabilities range from large quantities of simple platens found in the food or semiconductor industries to complex geometries requiring secondary machining to meet the demands of your precision components.

Cast In Aluminum Heaters: Specifications

Material	Aluminum, brass, bronze or cupronickel alloy
Max Watt density	20 w/cm²on the heating element
Voltages available	120V, 240V, 380V, 450V, others available on request.
Wattage Tolerance	+5%, -10%
Resistance tolerance	+10%, -5%
Max operating temperature	760 oC (1400 oF)
Leakage current	<0.5MA
Insulation resistance	> 2MΩ
Grounding resistance	<0.1Ω
The condition of usage	temperature -20 ℃ ~ + 60 ℃; relative humidity<80%