Hard polyurethane foam has the lowest heat transfer coefficient compared to other insulators. These composite surfaces - sandwich panels - are used in industrial construction as well as for refrigerated refrigerators, containers, and containers.

There are two ways to make a sandwich panel.

    Continuous continuous method
    Discontinuous discontinuous method

Continuous Continuous Equipment:

The different parts of these lines are:

1- Roll Opener

2- Roll Forming

3. Warm up

4. Foam injection machine

5. Continuous press

Cutting

7- Cooling and packing section

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Discontinuous Discontinuous Equipment

These lines include:

1- Roll Opener

Cutting

3. Roll Forming

4. Foam injection machine

5. Batch press