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Tensile Strength Rating
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About Foam
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Backer Rods
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Provide support for sealants in gaps—insert these backer rods into gaps and fill in with sealant.
Open-cell backer rods are the most compressible and maintain their shape better than bicellular ones. They allow moisture to be absorbed. Although they withstand environments up to 500° F, they shouldn’t be used with hot-pour sealants, which can seep through the large cell size and damage the underlying surface.
Super-Cushioning Polyurethane Foam Cords and Circles
Use these flexible polyurethane foam cords and circles to cushion narrow spaces, such as channels and gaps. Foam has open-cell construction, which allows water, air, and gases to be absorbed.
Cords
- Color: Gray
- Temperature Range: -20° to 180° F
- Cell Type: Open
- For Use Outdoors: No
- Density: 1 lbs./cu. ft.
- Pressure to Compress 25%: 0.3 psi (Ultra Soft)
- Tensile Strength Rating: Fair
- Oil-Resistance Rating: Not Rated
Circles
- Color: Gray
- Temperature Range: -20° to 180° F
- Cell Type: Open
- For Use Outdoors: No
- Density: 1 lbs./cu. ft.
- Pressure to Compress 25%: 0.3 psi (Ultra Soft)
- Tensile Strength Rating: Fair
- Oil-Resistance Rating: Not Rated
1/2" Lg. | 1" Lg. | 1 1/2" Lg. | 2" Lg. | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Dia. Tolerance | Pkg. Qty. | Pkg. | Pkg. | Pkg. | Pkg. | ||||
| 3" | -0.125" to 0.125" | 10 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
| 4" | -0.125" to 0.125" | 5 | 0000000 | 0000 | 0000000 | 0000 | 0000000 | 0000 | 0000000 | 00000 |
| 5" | -0.125" to 0.125" | 5 | 0000000 | 0000 | 0000000 | 0000 | 0000000 | 0000 | 0000000 | 00000 |
| 6" | -0.125" to 0.125" | 5 | 0000000 | 0000 | 0000000 | 0000 | 0000000 | 00000 | 0000000 | 00000 |
| 8" | -0.125" to 0.125" | 5 | 0000000 | 0000 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |