Solar Silicone Sealant – Flexibond 7110W
Flexibond 7110W is a premium-quality, non-sag, single-component deoxime curing RTV silicone adhesive sealant specifically designed for solar photovoltaic (PV) module manufacturing and assembly applications. It provides excellent adhesion, sealing, and long-term durability, making it an ideal solution for bonding solar panel frames and other critical components exposed to demanding environmental conditions. Engineered to withstand extreme weather, UV radiation, temperature fluctuations, moisture, and aging, Flexibond 7110W ensures reliable structural integrity and long-term performance throughout the service life of solar modules. Its non-flowing formulation allows for easy application on vertical and horizontal surfaces without sagging, ensuring clean and efficient assembly processes.
Advantages
- Single-component RTV silicone sealant
- Non-sag, non-flowing formulation with excellent thixotropy
- Fast skin formation and curing speed
- Excellent adhesion to metal, aluminum, glass, and various industrial substrates Superior resistance to UV exposure, weathering, and aging
- Excellent dielectric and electrical insulation properties
- RoHS and REACH compliant
- Long-lasting performance in harsh environmental conditions
- Suitable for automated and manual dispensing processes
Technical Characteristics
CHARACTERISTICS
| Item | Value |
|---|---|
| Before cure (Temperature 23 ± 2°C, Relative Humidity 50 ± 5% RH) | |
| Appearance | White paste |
| Extrusion rate (g/min) | 30 - 130 |
| Density (g/cm³) | 1.45 - 1.53 |
| Tack-free time (min) | 5 - 15 |
| Rate of cure (mm/24h) | ≥ 2.0 |
| After cure (Temperature 23 ± 2°C, Relative Humidity 50 ± 5% RH, after 7 days cure) | |
| Shore A Hardness | 40 - 60 |
| Tensile Strength (MPa) | ≥ 2.0 |
| Elongation at Break (%) | ≥ 220 |
| Shear Strength (MPa) | ≥ 1.5 |
| Breakdown Voltage Strength (kV/mm) | ≥ 18 |
| Volumetric Resistivity (Ω·cm) | ≥ 0.5 × 1015 |
| Flame Retardant Rating | 94-HB |
Note: Extrusion rate testing condition: the inner diameter of nozzle is (4 ± 5%) mm, pressure is (0.20 ± 0.01) MPa.
Application Details
- Solar PV module frame bonding and sealing
- Solar junction box bonding and sealing
- Electronic component bonding, sealing, and protection
- Circuit board bonding, sealing, and reinforcement
- Sensor and instrumentation sealing applications
- Power module bonding and assembly
- New energy battery module bonding and sealing
- Renewable energy equipment manufacturing
- Industrial electrical and electronic assembly applications
Application Process
Cleaning: Clean surface with solvent, such as, alcohol, acetone, methyl ethyl ketone, etc.to ensure the substrates surface is cleared thoroughly Application of sealant: Cut nozzle to right shape and size according to the different application demand. Apply the sealant tothe surface of the well cleaned substrates, then cover the other side where need to be bonded. The application site needs to be well ventilated. Storage: This product is non-dangerous, can be stored and transported as normal chemical
Packaging Sizes
- 290kg/Drum
- 270kg/Drum
- 600ml/cartridge, 24pcs/box
- 400ml/cartridge, 24pcs/box
Storage & Shelf Life
- This product is recommended to be stored below 25°C and 70%RH humidity Shelf Life: 12 months
Special Note & Safety
Be away from light and high heat and stored in a cool and ventilated place. Used only in well-ventilated areas and avoid contact with eyes and skin. If eyes contact with the sealant, wash with water and seek medical attention immediately. In case of contact with clothes and skin, soakin warm water for a while and then it will remove. Keep away from children. Please refer to the product MSDS for details.