Product Description of H.B. Fuller Tonsan® TS856
Tonsan® TS856 is a two-component (2K PU) polyurethane structural adhesive designed for bonding composite materials. It can cure at room temperature or be accelerated with heat. Once cured, it offers excellent adhesion, impact resistance, water resistance, electrical insulation, and corrosion resistance.
Features of H.B. Fuller Tonsan® TS856
- Suitable for various composite material bonding
- High toughness and strong adhesion
- Fast curing speed
- Temperature resistance from -40°C to 100°C
- Tensile strength ≥2.5 MPa, elongation ≥200%
- Excellent durability in harsh environments and corrosion resistance
Applications of H.B. Fuller Tonsan® TS856
- Bonding composite materials in industrial manufacturing
- Applications in automotive, aerospace, and marine industries
- Adhesion for electronic components and insulation devices
- Suitable for high-strength and impact-resistant products
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.
| Specification | Details |
| Chemical Base | Polyurethane |
| Product Type | Structural adhesive |
| Component | Two-component (2K) |
| Curing Type | Reactive |
| Appearance/Color | Part A: Black, Part B: Yellow, Mixed: Black |
| Viscosity (mPa.s) | Part A: ~70,000, Part B: ~40,000 |
| Density (g/ml) | 1.37 ± 0.05 |
| Mixing Ratio (A:B) | 4:1 (by volume & weight) |
| Curing Condition | Room temperature or accelerated with heating |
| Open Time at 35°C | ~5 minutes |
| Green Strength (90°C/80s) | ~1.0 MPa |
| Shore Hardness (A) | 60-70A |
| Tensile Strength (MPa) | ≥2.5 MPa |
| Elongation (%) | ≥200% |
| Lap Shear Strength (MPa) | ≥2.5 MPa |
| Service Temperature (°C) | -40 to 100°C |
| Shelf Life | 6 months (15-30°C storage) |
| Packaging Options | 400ml cartridge, 5-gallon pail, 55-gallon pail |
