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Monosandwich Process

The patented monosandwich method enables two-component parts to be produced from a standard injection moulding tool. As soon as the material component for the core of the moulded part is plasticised, an adjacent extruder moves the main components directly into the spiral section of the injection unit. 

The liquified material settles in the single nozzle of the machine and is moved in one stroke into the cavity. The core components always flow through the centre of the channel and the main components settle evenly along the outer edge of the cavity and acquire a core made up of the remaining material.

The monosandwich process is suitable for the following applications:

  • Hard-soft combination
  • Electro-plated outer skin
  • Load-bearing core components from reinforced material
  • High quality surface for painting etc.
  • Core components made from reclaimed material