3M Strip Calk 08578 is a soft, non-hardening butyl rubber material. Sixty 1 ft Strips/Box.
| Typical Use: | It is used as a thumb-grade seam sealer for filling in joints, seams, voids and gaps. |
| Chemical Composition: | Synthetic rubber |
| Color: | Black |
| Components: | 1 part |
| Flash Point: | >93.3 °C |
| Service Temperature: | -28.8 to 93.3 °C |
| Specific Gravity: | 1.92 |
| Viscosity: | Viscous putty |