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Adhesives Technology Crackbond 2300 GEL BUG-2300
Crackbond 2300 GEL is a two-component, high-modulus non-sag epoxy for bonding concrete, repairing spalls, and setting dowels between 60°F and 110°F.
- Extended working time for warmer placements
- Non-sag on vertical and overhead faces
- Bonds fresh concrete to hardened concrete
$96.15
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Adhesives Technology Crackbond 2300 GEL Non-Sag Bonding Epoxy
Crackbond 2300 GEL from Adhesives Technology is a two-component, 100% solids, non-sag epoxy bonding agent for vertical-down and horizontal work. Moisture insensitive and solvent free, it is used to bond concrete to concrete, repair spalls, and set dowels and tie bars where a gel stays in place. Typical work includes short-term tensile anchoring and shear loading under allowable stress design. The application window is 60°F to 110°F.
Key Features
- Non-sag gel that stays on vertical-down and horizontal faces
- Moisture insensitive, solvent-free, 100% solids epoxy
- Extended working time for warm-weather placements
- 1:1 bulk mix with color-coded resin and hardener pails
- Bonds fresh or hardened concrete to hardened concrete
- Short-term tensile anchoring and shear loading under ASD
Applications
- Bonding hardened concrete to hardened concrete
- Bonding freshly mixed concrete to hardened concrete
- Spall repair
- Adhering dowel bars and tie bars
- Short-term tensile anchoring and shear loading (ASD)
Technical Specifications
| Property | Value |
|---|---|
| Product | CRACKBOND 2300 GEL |
| Chemistry | Two-component, 100% solids, non-sag epoxy |
| Mix ratio / mixed color | 1:1 by volume; concrete gray |
| Standards | ASTM C881-15 / AASHTO M235 Type I, II, IV & V, Grade 3, Class C |
| Application temperature | 60 to 110°F (16 to 43°C) |
| Gel time, 60 g at 75°F | 28 min |
| Pot life, 1 gallon at 75°F | 23 min |
| Working / full cure at 75°F | 46 min / 48 hr |
| Compressive yield, 7 day | 10,220 psi (ASTM D695) |
| Tensile strength, 7 day | 3,316 psi (ASTM D638) |
| Bond strength, 14 day | 4,060 psi (ASTM C882) |
| Packaging / shelf life | 102 fl. oz. (3.0 L) kit BUG-2300; 24 months |
Product documents: CRACKBOND 2300 GEL Technical Data Sheet (PDF)
Frequently Asked Questions
Does Crackbond 2300 GEL stay on a vertical or overhead face?
Yes. Crackbond 2300 GEL is a high-modulus, non-sag bonding epoxy. Non-sag is why it is used on vertical faces, overhead patches, and dowel setting instead of a self-leveling medium-viscosity epoxy.
What temperature window does Crackbond 2300 GEL allow?
Crackbond 2300 GEL is used between 60F and 110F. That warmer window, plus extended working time, is the reason crews keep 2300 GEL on hot-weather bond and dowel work.
Can Crackbond 2300 GEL bond fresh concrete to hardened concrete?
Yes. Crackbond 2300 GEL bonds hardened concrete to hardened concrete and freshly mixed concrete to hardened concrete. It is also used to repair spalls and to adhere dowel bars and tie bars.
Is Crackbond 2300 GEL meant for sustained tensile overhead anchors?
The current sheet does not recommend Crackbond 2300 GEL where there may be a sustained tensile load, including overhead. Use it for non-sag bonding, spall work, and short-term tensile or shear under allowable stress design, not as a cracked-concrete ICC anchor.
How much working time does Crackbond 2300 GEL give at 75F?
Crackbond 2300 GEL lists a gel time around 28 minutes and a 1-gallon pot life around 23 minutes at 75F on the current sheet. Extended working time is the grade feature versus a fast paste.
Is Crackbond 2300 GEL moisture insensitive?
Yes. Crackbond 2300 GEL is a solvent-free, high-modulus, moisture-insensitive, 100 percent solids epoxy. Damp concrete is acceptable. Standing water is still a stop.
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