With its unique combination of features - low weight /high strength, wide processing envelope and high temperature performance - Divinycell HP is ideal for a wide range of applications in the marine, wind energy, transportation and industrial markets.

With its high processing temperature, Divinycell HP can be processed at a much higher temperature than other polymer core materials in general use, making it suitable for not only low but also medium temperature prepregs. HP’s temperature performance is not just beneficial to prepreg users. Exothermic temperatures ranging from 176-248°F (80-120°C) are not uncommon in closed molding methods such as infusion. As Divinycell HP has significantly higher mechanical properties in this temperature range it means that it can withstand a higher temperature or the same temperature for a longer period.

HP’s elevated temperature performance also extends to the ‘in service’ life of the component. Divinycell HP will retain a high percentage of its mechanical properties despite long-term exposure to high ambient temperatures.

Strength Performance
The strength performance of HP has not been compromised to achieve its elevated temperature properties. The shear strength and modulus values are better than other commonly used ‘elevated temperature’ core materials. Similarly the figures for shear strain show that HP has good ductility and energy absorption characteristics. In addition, the compressive strength and compressive modulus values also compare favorably with other cores.

Adhesion
Another area where Divinycell HP excels is in adhesion. Compatibility tests have been performed using commonly used resin systems with excellent results.

Dimensional Stability
The dimensional stability of HP is also exceptional. Taking HP80 as an example, at 140°F (60°C) dimensional changes are hardly measurable, less than 0.1%. Even at 194°F (90°C), the dimensional change for HP80 is still less than 0.5%.

Divinycell HP is also available in a much wider range of densities and in greater maximum thicknesses than other elevated temperature cores. Currently HP is available in densities from 4.1 to 15.6 lb/cub. ft. (60 to 250 kg/cub. m.) but plans are well advanced to extend the range even further.

Standard & Special Finishing
Divinycell P sandwich core can be supplied with a wide range of finishes to facilitate installation, enhance component quality and to meet specific process requirements. These include grid-scored, double cut and 'infusion' grooved/perforated forms.

Ready-Made Kits
For those involved in series production, Divinycell HP can be supplied in ready-made construction kits where each piece is pre-cut, shaped as necessary and numbered to fit exactly into its designated place in the mold. This substantially reduces build times, saves labor costs, improves quality and cuts waste.