H.B. Fuller Polyurethane Adhesive UR4515G is a high-performance, two-component polyurethane adhesive. It is specifically engineered for robust structural bonding of both metals and plastics. This advanced formulation delivers exceptional lap shear strength. It ensures durable and reliable connections in demanding industrial environments. Furthermore, its excellent thixotropy allows for precise, controlled application. This minimizes waste and optimizes manufacturing efficiency.
General Information of H.B. Fuller Polyurethane Adhesive UR4515G
This industrial-grade adhesive leverages a sophisticated polyurethane chemical base. It presents as a thixotropic liquid, ensuring controlled dispensing without sag. The system comprises two distinct components. Users mix these components in a precise 1:1 volume ratio. Consequently, this simplifies integration with automated dispensing systems. It also streamlines production workflows. H.B. Fuller Polyurethane Adhesive UR4515G cures effectively at ambient room temperature. This eliminates the need for energy-intensive heating processes. A secondary thermal cure is also available for accelerated processing. Its non-conductive and non-corrosive properties enhance its versatility. This makes it ideal for sensitive electronic or metallic applications. The adhesive also offers outstanding chemical resistance. This ensures long-term performance in aggressive chemical environments.
Key Features & Technical Benefits
- No Solvents or Plasticizers: Ensures a safer application environment. It also prevents material shrinkage and outgassing.
- 1:1 Volume Mix Ratio: Simplifies preparation for users. This ratio integrates easily with automated dispensing systems.
- Excellent Moisture Penetration Seal: Provides superior protection against environmental ingress. This enhances the longevity of bonded assemblies.
- Extreme Environmental Resistance: Maintains structural integrity. It performs reliably under harsh operating conditions.
- Room Temperature Curing: Eliminates the need for external heat. This reduces energy consumption and simplifies manufacturing processes.
- High Impact Strength: Withstands significant mechanical stress. This improves the overall robustness of bonded assemblies.
Typical Industrial Applications
This formulation is engineered for the following applications:
- Structural bonding of diverse metals, including stainless steel and aluminum.
- Assembly of various plastic components, such as polycarbonate and nylon.
- Applications requiring high impact strength and chemical resistance.
- Bonding E-Coat steel in automotive or industrial settings.
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| Property | Value |
| Technology / Base | Polyurethane |
| Type of Product | Structural Adhesive |
| Components | Two Component |
| Appearance / Color | Green |
| Consistency | Thixotropic Liquid |
| Curing | Room Temperature (secondary thermal cure) |
| Shelf Life | 12 months unopened |
| Specific Gravity | 1.25 |
| Viscosity – Part A (at 25°C) | 1,500,000 cPs |
| Viscosity – Part B (at 25°C) | 25,000 cPs |
| Volume Mix Ratio | 1 to 1 |
| Weight Mix Ratio | 100 to 84 |
| Pot Life (Gel Time @ 23°C, 100g) | 15 min |
| Handling Time | 1 to 2 hours |
| Full Cure @ 23°C | 2 to 3 days |
| Full Cure @ 70°C | 15 min |
| Hardness | 80 Shore D |
| Tensile Strength | 12.8 MPa |
| Elongation at Break | 60% |
| Overlap Shear Strength – Polycarbonate, 20% Glass Fill, abraded | 18.38 MPa (2660 psi) |
| Overlap Shear Strength – Nylon 6-6, abraded | 7.00 MPa (1010 psi) |
| Overlap Shear Strength – Stainless Steel, abraded | 20.36 MPa (2950 psi) |
| Overlap Shear Strength – E-Coat Steel, IPA wipe | 24.16 MPa (3500 psi) |
| Overlap Shear Strength – Aluminum, abraded | 25.96 MPa (3765 psi) |




