Heat transfer material designed for tooling

Acrolab Ltd. (Windsor, Ontario, Canada) has introduced Isobar in-mold heat transfer technology for heating and cooling complex cores and cavities in composite, steel, nickel and cast resin molds.

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Acrolab Ltd. (Windsor, Ontario, Canada) has introduced Isobar in-mold heat transfer technology for heating and cooling complex cores and cavities in composite, steel, nickel and cast resin molds. Used alone or in engineered matrices, the bars can be used to normalize the thermal energy of a cure cycle in one specific location or throughout the entire mold. The bars are mounted within the mold structure to provide heat transfer to the mold face from heater banks and/or cooling channels located in accessible regions of the molds. They reportedly provide thermal uniformity and stability to assure the optimal specified cure temperatures. The bars reportedly transfer thermal energy faster than copper rod of the same dimension, and achieve isothermal conditions along their length within seconds, helping to avoid hot and cold spots. They are powered by a delta temperature within the mold: If conditions change from endothermic to exothermic in certain mold locations during the cure cycle, the bars will remove heat from an area that experiences a transient thermal energy surplus and conduct that heat to a less-sensitive location within the mold.