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Stiff PVC Foam Cores
- Color: See table
- Maximum Temperature: 170° F
- Tensile Strength: See table
- For Use Outdoors: Yes
Add stiffness to composite sandwiches without adding a lot of weight. These cores are lighter in weight than balsa wood and aluminum honeycomb cores, but not as strong. Their cross-linked foam polymers, however, make them stronger and more durable than PET foam cores. All of these cores are moisture resistant and offer good sound insulation. Use them in composite layups, structural panels, partitions, and industrial tanks.
Scored cores have cuts in a grid pattern that make them easier to bend and form into complex shapes than plain cores.
For technical drawings and 3-D models, click on a part number.
| Thickness | Thickness Tolerance | Tensile Strength, psi  | Tensile Strength Rating | Color | Each | |
Plain | ||||||
|---|---|---|---|---|---|---|
40" × 86" | ||||||
| 3/8" | -0.02" to 0.02" | 370 | Excellent | Green | 0000000 | 0000000 |
| 1/2" | -0.02" to 0.02" | 370 | Excellent | Green | 0000000 | 000000 |
| 5/8" | -0.02" to 0.02" | 370 | Excellent | Green | 0000000 | 000000 |
| 3/4" | -0.02" to 0.02" | 370 | Excellent | Green | 0000000 | 000000 |
| 1 1/4" | -0.02" to 0.02" | 370 | Excellent | Green | 0000000 | 000000 |
| 1 3/4" | -0.02" to 0.02" | 370 | Excellent | Green | 0000000 | 000000 |
45" × 96" | ||||||
| 1/2" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
| 1" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
| 1 1/4" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
| 1 1/2" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
| 2" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
Scored | ||||||
45" × 48" | ||||||
| 3/8" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
| 1/2" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
| 3/4" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
| 1" | -0.02" to 0.02" | 300 | Excellent | Yellow | 0000000 | 000000 |
Balsa Wood Cores
Lighter in weight than any other wood, yet still strong, these balsa cores stiffen composite sandwiches without weighing them down. They resist damage from impact and repeated use. Because they don’t let heat or sound pass through quickly, these cores are good natural insulators. They also resist chemicals. All come from balsa trees grown in FSC (Forest Stewardship Council) certified forests. They cannot be sold to Canada due to import regulations.
Rigid cores are often used in panels for partitions, industrial tanks, and other stiff structures.
Flexible cores are best for forming complex shapes.
For technical drawings and 3-D models, click on a part number.
| Thickness | Width | Length | Compressive Strength, psi | Temperature Range, °F | Cannot Be Sold To | Each | |
| 1/4" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 000000 |
| 3/8" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 1/2" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 5/8" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 3/4" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 1" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 2" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| Thickness | Width | Length | Compressive Strength, psi | Temperature Range, °F | Cannot Be Sold To | Each | |
| 1/4" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 000000 |
| 3/8" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 1/2" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 3/4" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |
| 1" | 24" | 48" | 1,500 | -100° to 325° | Canada | 00000000 | 00000 |