GUIBAO 668 Silicone Sealant for Concrete Joints
GUIBAO 668 is a one-part silicone sealant specially designed for lasting weatherproofing seal of concrete joints. With low modulus and excellent extension and compression recovery (+100/-50%), it provides outstanding performance in highway, airport, bridge, and other concrete joints where high movement occurs.
Key Features
- One-part ready-to-use formulation
- Low modulus design protects concrete surfaces
- +100/-50% movement capability
- 600% elongation at break
- Excellent temperature resistance (-60°C to +150°C)
- Excellent UV and ozone resistance
Applications
Concrete pavement joints
Highway and airport joints
Bridge deck joints
Parking lot joints
Stadium floor joints
Our Advantages
Meets JC/T 881-2017 standard
Complies with ASTM C 920-18
High movement (+100/-50%) for dynamic joints
Excellent recovery properties
12 months shelf life
Technical Data
| Movement Capability | +100/-50% |
| Elongation at Break | 600% |
| 100% Modulus | 0.4 MPa |
| Hardness | 30 Shore A |
| Tack Free Time | 60 min |
| Extrusion Rate | 180 ml/min |
| Service Temperature | -60°C to +150°C |
Packaging
Sausage (590ml)
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