Heated Platen Insulation

Heated Platen Insulation

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Caparo Insulation offers a wide selection of high temperature insulation composite materials to withstand peak temperatures of up to 800°C which we can machine to your custom detailed drawings or instructions. Several materials used have a combination of high strength, flame resistance and low smoke generation, ideal for mould and press applications. 

We can supply both high density boards for high intensity moulding and press or tooling cycles for temperatures up to 285°C or low density boards for low impact compression applications that can insulate up to 1000°C direct heat. These high temperature insulation boards are used to protect capital equipment from damage by shielding against process heat transfer or, in newer thinking, to encapsulate all non compressive faces by cladding in order to contain and slow down heat loss meaning less process cost.

Generally the tooling and high impact processes require a durable board, such as one made from resin and glass (as per the pictures) with usually its only constraint being temperature, but 285°C is more than ample for injection moulding and plastic tooling use.

When presses require higher temperature ratings, other boards can be used . Mathematically the compressive loading is sufficient but, dependant on the process, experience tells us that long term the materials may be susceptible to cracking and crumbling, which is the trade off of having higher temperature boards in that you lose structure.

The same thinking can be applied for purchases of product for use of up to 285°C, in that it is best to go with the durable glass resin systems over isostatic cured boards to achieve longevity of service by choosing quality over cost. However it is always worth noting that this type of solution to the application was the norm way back before the advent of the more advanced materials of today. 

Please do not hesitate to contact Caparo Insulation to discuss your requirements.