High density CORAFOAM® (HDU) is an innovative polyurethane substrate used for a variety of applications in the signage, modeling, aerospace, composite, architectural and design industries. With its excellent workability, grain-free consistency and broad range of densities (4 lb/ft3 through 31 lb/ft3), CORAFOAM® provides solutions to craftsmen and engineers alike.
These characteristics, combined with polyurethane natural resistance to atmospheric agents, most solvents, and moisture, make CORAFOAM® polyurethane an ideal replacement for wood and other materials in signage, patternmaking, composite layup tooling, thermoforming, and prototyping applications.
Additionally, it’s resistance to mechanical stress and exceptional insulating qualities have proven it a valuable asset as a support in the cryogenic field.
CORAFOAM® U
DUNA-USA CORAFOAM® U polyurethane can be cut with almost any type of tool. Its closed cellular structure and absence of fibers or granular structure result in crisp, excellently defined edges after fabrication.
It is also impermeable by any type of liquid, including water and solvents, making it much better suited for severe weather conditions or harsh marine environments than many other materials.
Request a sample of CORAFOAM® polyurethane here or contact us at: (281) 383-3862 with any questions.
Download our comprehensive case study comparing CORAFOAM® vs the
leading brands of HDU in terms of cell structure, strength, and
manufacturing technique. Discover why CORAFOAM®, produced with DUNA’s
specialized “continuous” production technique is the highest quality on
the market.
| CORAFOAM® | Density (lb/ft³) | Initial thermal conductivity at 75°F (BTU·in/hr·ft²·°F) | Parallel compressive resistance at 70°F (psi) | Fire behaviour | Operating temperatures (°F) |
|---|---|---|---|---|---|
|
EN 1602 ASTM D1622 |
EN 12667 ASTM C 518 |
EN 826 ASTM D1621 |
|||
| U 40 | 4 | 0.18 | 83 | n.a. | -328/+176 |
| U 60 | 6 | 0.19 | 148 | n.a. | -328/+176 |
| U 80 | 8 | 0.20 | 230 | n.a. | -328/+176 |
| U 100 | 10 | n.a. | 290 | n.a. | -328/+176 |
| U 150 | 15 | n.a. | 638 | n.a. | -328/+176 |
| U 150 F | 15 | n.a. | 590 | FAR 25.853(a) 12"/60": PASS | -328/+212 |
| U 200 | 20 | n.a. | 1044 | DIN 4102 Class B3 | -328/+176 |
| U 310 | 31 | 0.50 | 2436 | DIN 4102 Class B3 | -328/+176 |
