CheckSeal™ 3B
Semi-Curing Rubber Sealant
Check Seal™ 3B cures to an extremely tough, semi-pliable rubber at high temperatures. It is designed for use with temperatures up to +700˚F, and is effective as a primary and secondary sealant. It has been successfully used as a secondary micro-void sealant after initial sealant failed.
Typical Characteristics
| Title | Value |
| Applications | Acids, steam, some solvents, fuels, glycols, mild alkalis, aliphatic hydrocarbons, hot oils, kerosene, steam, water, liquors. It also has been used successfully as a secondary micro-void filler after injecting a different sealant on the real problem leaks. |
| Temperature Range | 20°F to 700°F (-6.66°C to 371°C) |
| Limitations | Should not be used at temps over 700°F (371°C) |
| Appearance | Yellow paste |
| Specific Gravity | 0.9 |
| Volume | 191 cu. in – 1 gal pail |
| Volume | 14 cu. in – J stick |
| Volume | 1.1 cu. in – 3.5” plug |
| Injection Characteristics | 500 psi, flows well with minimum hydraulic pressure |
| Cure | Cures at 350°F to 400°F, non-curing at lower temps |
| Long Term Changes | None |
| Storage | Keep at room temperature |
Packaging Information
| Item Number | Unit Size | Quantity |
| CS300511 | “J” stick 1-3/8” x 8-1/2" | 16 per box |
| CS08265001PL | 3/4” x 4 plugs | 10 per pouch |