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Help CenterLow-Cost Bridge Expansion Joint Bearing With High Elasticity and Weather Resistance Properties
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As Hengshui Haogu Engineering Materials Co., Ltd. with over 15 years of industry experience since 2005, we specialize in manufacturing high-performance infrastructure components. Our ISO-certified 3,000-5,000 square meter factory produces this innovative bridge expansion joint bearing that combines exceptional elasticity with outstanding weather resistance, offering infrastructure developers a reliable solution for long-lasting bridge structures.
Core Product Advantages:
- Superior Movement Accommodation: Engineered polymer matrix absorbs up to ±50mm thermal expansion/contraction
- All-Weather Performance: Specially formulated compound maintains elasticity from -40°C to +80°C
- Corrosion-Free Operation: Eliminates maintenance needs associated with metal components
Technical Specifications:
| Parameter | Standard Value | Custom Options |
| Compression Set | <15% (ASTM D395) | Available |
| Tensile Strength | ≥12MPa | Up to 25MPa |
| Elongation at Break | ≥350% | Customizable |
| Hardness (Shore A) | 60±5 | 50-75 |
Project Benefits:
- Cost Efficiency: 30% reduction in lifecycle costs compared to conventional systems
- Quick Installation: Modular design enables 40% faster deployment than cast-in-place solutions
- Noise Reduction: Vibration-damping properties decrease traffic noise by 6-8dB
- Chemical Resistance: Withstands de-icing salts, oils, and mild acids
With US$5-10 million annual export volume through major Chinese ports, our products serve infrastructure projects across six continents. Our 51-100 person engineering team provides:
- Custom solutions for unique bridge configurations
- Technical support for North American and European compliance
- Third-party testing documentation
Frequently Asked Questions:
Q: What is the expected service life?
A: Properly installed bearings typically exceed 25 years in moderate climates.
Q: Can these accommodate seismic movement?
A: Yes, special seismic formulations are available upon request.
Q: What maintenance is required?
A: Our bearings require only periodic visual inspection with no lubrication needed.
Q: Are custom sizes available?
A: Yes, we regularly produce custom dimensions for special bridge designs.
Q: What quality certifications apply?
A: Manufactured under ISO9001 quality systems with material traceability.
Q: How does this compare to metal bearings?
A: Eliminates corrosion issues while reducing noise and maintenance costs.
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