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Heat treatment of PMI foam

Tasuns Composite Technology Co.,Ltd | Updated: Sep 04, 2017

For processing (temperature up to 180°C), a heat treating process prior to processing HyboFOAM® is required, which can greatly improves its compression creep resistance.

1st: drying for at minimum 4hrs at 135°C by using a heating cabinet with air circulation.

2nd: immediately after step 1, heat treating at 48hrs among 150°C to 180°C.

The net-shaped cores must be machined after the heat treating processing, because of the damages on core’s surface (temperature up to 190°C) and changes in dimension during drying.