PortaFab has the equipment, technology, and experience to process nearly all of the commonly used core materials for composite panels.
The following chart highlights some of the main characteristics of our primary core materials. Other core materials include mineral insulation board, fiberglass, plywood, hardboard, and gypsum.
| Honeycomb Cores | ||||
| Characteristic | Kraft Paper | Aluminum | Polypropylene | Nomex™ |
| Weight | Med-Low | Med-Low | Medium | Medium |
| Strength | Good | Excellent | Fair | Very Good |
| Fire Resistance | Poor | Excellent | Poor | Excellent |
| Thermal Control | Very Good | Poor | Good | Very Good |
| Sound Control | Fair | Poor | Very Good | Fair |
| Impact Resistance | Poor | Poor | Excellent | Good |
| Moisture Resistance | Poor | Excellent | Excellent | Excellent |
| Cost | Low | Medium | Medium | High |
| Foam Cores | |||
| Characteristic | Polystyrene | Polyisocyanurate | Polyurethane |
| Weight | Very Low | Med-Low | Med-High |
| Strength | Poor | Poor | Very Good |
| Fire Resistance | Poor | Excellent | Good |
| Thermal Control | Very Good | Very Good | Excellent |
| Sound Control | Fair | Fair | Excellent |
| Impact Resistance | Fair | Poor | Very Good |
| Moisture Resistance | Poor | Fair | Very Good |
| Cost | Very Low | Med-Low | Med-High |