A wide range of epoxy resins for underwater bonding, lining, and injection is available!
We handle the underwater and wet surface epoxy resin "Alpron W Series." "W-103E/107/107L" is a high-performance epoxy resin-based adhesive in paste form, suitable for bonding and sealing concrete structures submerged in water, making it ideal for construction in areas where water is present. In addition, we offer "W-201/221/236" for underwater injection and "W-301/302/305" as primers for wet surfaces. 【Features】 <For underwater bonding and lining> ■ Completely adheres to the substrate even in the presence of moisture ■ Can be applied underwater without being washed away ■ Compressive strength and flexural strength are 2 to 3 times that of concrete ■ Excellent waterproofing ■ Superior resistance to water, oil, and chemicals *For more details, please refer to the PDF document or feel free to contact us.
Inquire About This Product
basic information
【Other Features】 <For Underwater Injection> ■ Completely adheres even underwater ■ Liquid type allows for injection into fine details <Primer for Wet Surfaces> ■ Completely adheres even with moisture on concrete surfaces ■ Solvent-free type for safe use ■ Excellent re-coating properties ■ Prevents alkali leaching from concrete and similar materials *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
【Applications】 ■ For underwater adhesion and lining - Shield segment joints, concrete revetment joints - Filling and adhesion at the joints of hume pipes ■ For underwater injection - Fixing and adhesion of anchor bolts in underwater and flooded areas - Crack injection in water of reservoirs, dams, and irrigation channels ■ Primer for wet surfaces - Primer for damp concrete and mortar surfaces - Primer for linings in reservoirs, underground passages, underground layers, pits, etc. *For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
Since its establishment, Nichibei Resin Co., Ltd. has been dedicated to the development and manufacturing of resin products that cater to various applications and construction conditions, primarily focusing on epoxy resins. Based on a diverse product lineup, we respond quickly and accurately to the increasingly diversified and sophisticated user needs, and we develop special-purpose products and new functionalities through close communication. Furthermore, by maximizing the potential of resins and expanding product applications, we contribute to a wide range of fields in industrial society.
