A key feature of insulation from BASF, Florham Park, N.J., is its heat-distortion temperature of up to 221°F (105°C), which is the application-limit temperature. The new material, called Styrodur HT, consists of extruded polystyrene rigid-foam panels.

The high temperature limit makes the foam suitable for applications exposed to high temperatures that require high compressive strength, low water absorption, resistance to rot and good insulation performance. Styrodur HT stays dimensionally stable even with high ambient temperatures or high solar radiation, according to the company. BASF provides the insulation material at nominal compressive strengths of 300 and 600 kPa.

The product is particularly suitable for insulating hot water tanks, insulation applications with hot water that are exposed to pressure and moisture, and for various insulation applications in solar technology.

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