Zrete underwater adhesive is a two-component epoxy adhesive specially designed for bonding and repairing concrete, steel, and masonry in submerged or high-humidity environments. It maintains strong adhesion, chemical resistance, and mechanical performance even under water.
Product Introduction
Zrete underwater adhesive excels in tough wet conditions. This underwater structural epoxy adhesive uses special epoxy resin to bond effectively when humidity exceeds 90%. It cures on time without issues, making it perfect as a wet surface epoxy for reinforcement and repairs
Excels in Wet Conditions: This underwater structural epoxy adhesive uses special epoxy resin to bond effectively in humidity over 90%. It cures reliably as a wet surface epoxy, ideal for tough reinforcement and repairs.
Versatile Applications: Perfect for pasting steel plates, carbon fiber cloth, or planting rebar in concrete and masonry. It serves as an underwater repair adhesive for anchoring bolts or fixing defects in wood and metal. Great for humidity resistant adhesive needs in roads, bridges, tunnels, and pipelines.
Efficient and Durable: No segregation or layering, with good operability as a marine structural bonding solution. Reduces glue waste through thixotropy while maintaining impact resistance and fighting damp-heat aging in submerged areas.
Product Parameters
Item | Testing condition | Qualification index |
Standard value of tensile shear strength of steel to steel, MPa | It shall be cured under water for 7 days and tested at 5 ℃ immediately upon expiration | ≥10 |
The specimens cured and maintaining under water for 7 days shall be dried for 3 days, then soaked under water for 30 days, and tested immediately upon expiration | ≥8 | |
Average tensile shear strength of steel to steel,MPa | The specimens bonded dry at room temperature shall be tested immediately after 7 days of curing and maintaining | ≥15 |
Average impact stripping length of steel to steel T, mm | ≤25 | |
Average tensile bonding strength of steel to C45 concrete, MPa | ≥2.5 |
Product Usage
Prepare surfaces for best results with Zrete underwater adhesive. For above-ground wet spots, drain water first. Then apply as a wet surface epoxy following dry bonding steps.
In full underwater areas, grind off debris like shellfish using an underwater tool. Mix the underwater structural epoxy adhesive on land by ratio. A diver coats it directly on concrete or steel for underwater repair adhesive tasks.
This humidity resistant adhesive suits marine structural bonding. Use it to anchor bolts, seal joints, or repair defects in wet concrete adhesive projects. Always store in cool, dry places for optimal performance.
4.Bonding of steel plates, CFRP fabric, or masonry units in high-humidity conditions
5.Concrete crack injection and defect repair underwater
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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