Insulation of extruders and injection moulding machines
The operation of the heating mantles of plastic processing equipment—typically extruders, injection moulding machines and foil blowers—is accompanied with major heat losses. Owing to surface temperatures often exceeding 200 °C and heating with electricity, the insulation of such equipment can have particularly short payback periods. Due to the frequency of heating mantle replacement and maintenance, the use of insulation blankets is the optimum solution for such surfaces as well.
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Frequently asked questions
On the side that is in contact with the heating mantles of plastic processing machines, our insulation jackets are made up of materials capable of withstanding temperatures up to 550 °C, ensuring that even peak temperatures in excess of the operational temperatures, for instance during the heat-up phase, do not destroy our insulations.
Every single one of our insulation products is marked with an individual ID. When molten plastic splashes on the insulation on an extruder or an injection moulding machine (e.g. material flows back at the nozzles), only the damaged insulation component needs to be replaced. All you have to do is send us the insulation ID, on the basis of which we can find the designs and remanufacture the insulation. This is why we insulate the heating mantles of such equipment in most cases separately so that there is no need for replacing the full length of the insulation when one element is damaged.
The insulation of the heating mantles of both injection moulding machines and extruders is designed so that the plugs of sensors and cables/pipes are left uncovered—they must not be covered by the insulation.
