Mould Area Protection

The proven Mold Area Protection (MAP) systems have been specifically designed to dehumidify molds and ensure sweat-free production throughout the year - even under tropical conditions.

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Molded plastic products are usually cooled using cold water in the cavity of the mold. However, lowering the chilled water temperature below the dew point of the ambient air causes condensation on the mold surface. The moisture can lead to defects in the molded product and permanently damage the mold itself or drastically reduce its service life - waste and higher operating costs are the result. However, raising the chilled water temperature increases the cooling time, slows down the manufacturing process, and reduces overall productivity.

Your advantages
No Sweat

No mould sweat on enshrouded surfaces guaranteed year-round

No glycol

No addition of antifreeze to the cooling water necessary

Maintenance free

Low maintenance operation.

How does Mould Area Protection work?

The mold area of the machine is enshrouded and sealed off from the ambient air and supplied by the MAP with filtered, dry air. This allows a constant use of cold water with a temperature of 6°C, without causing condensation on the mold surface.


The ambient air is sucked in via a filter and cooled in two steps: First, the air is led into a water-cooled heat exchanger, whereby the cold water, which also serves for the cooling of the mold, is used. Thereafter, in the heat exchanger of the integrated refrigeration circuit, where the air is chilled to a temperature of about 3 °C. The moisture, which is deposited on the chillers as a result of the condensation, is collected in a tub and pumped out of the device.

Mould sweat protection English
  1. Ambient air is sucked in by the blower in the MAP unit and led through a filter to remove dust particles.
  2. The ambient air is cooled with the same cold water that is also used in the mold area. Moisture is removed from the air by means of condensation on the heat exchanger's surface.
  3. The pre-cooled air is now chilled to about 3 °C and thus loses further moisture. It now has a dewpoint of about 3°C.
  4. In the condenser the cold air is reheated and at the same time the refrigeration compressor of the BAC is cooled. At around 25 °C, the dry air can now absorb moisture again so that no condensation can form in the mold area. The air is channeled through pipelines into the enclosed molding cabin.
Product overview

The FarragTech-team in Wolfurt/Austria has developed the MAP system with an innovative spirit and over 25 years of experience in the plastics industry.

Mould Area Protector
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Lasmaplast Technologie OG

T +43 7326 57051

F +43 732 65 70 51 - 20


FarragTech GmbH

T +43 5574 83 800

F +43 5574 83 800 11