Product Description
The Tonsan® 1521 White is a high-performance two-component silicone adhesive designed for fast curing at room temperature, ensuring strong sealing and bonding. It is specifically recommended for potting electronic components, including junction boxes on PV modules, providing excellent thermal conductivity and flame retardancy. As a 2K adhesive, encapsulant, and potting compound, it offers reliable protection in industrial and renewable energy applications.
Features of Tonsan® 1521 White
- Speeds up production processes with quick cure properties.
- Ensures secure adhesion for PV modules, lithium-ion batteries, and energy storage systems.
- Provides electrical insulation for electronic components and junction boxes.
- Enhances heat dissipation, improving component longevity.
- Meets safety and compliance standards for industrial applications.
- Withstands harsh conditions, moisture, and temperature variations.
Applications of Tonsan® 1521 White
- Renewable Energy Industry: Ideal for PV module installation, frame sealing, and junction box potting.
- Battery & Energy Storage: Used in lithium-ion battery assembly and energy storage systems.
- Industrial Manufacturing: Suitable for ingot bonding, edge gluing, and rail bonding.
- Electronics & Electrical Components: Ensures secure encapsulation and protection of sensitive electronic parts.
- Turbine & Blade Applications: Provides durable bonding solutions for wind and industrial turbines.
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: 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.About Prostech
| Properties | Details |
|---|---|
| Technology / Base | Silicone |
| Type of Product | Adhesive |
| Components | Two components |
| Curing | Room temperature cure |
| Appearance / Color | White |
| Consistency | Viscous Liquid |
| Viscosity (Resin) | 7000 mPa·s |
| Viscosity (Activator) | 25 mPa·s |
| Viscosity (Mixed) | 3000 mPa·s |
| Density | 1.40 g/cm³ |
| Mix Ratio (Volumetric) | 4:1 |
| Mix Ratio (Weight) | 6:1 |
| Flash Point | > 93°C |
| Working Time | 8 minutes |
| Gel Time | 60 minutes |
| Hardness | 40 Shore A |
| Tensile Strength | 1.2 MPa |
| Elongation at Break | 110% |
| Thermal Service Range | -50 to 150°C |
| Thermal Conductivity | 0.30 W/m·K |
| Volume Resistivity | 1.0 × 10¹⁵ Ω·cm |
| Breakdown Strength | 23 kV/mm |
| Damp-Heat Aging (1000h at 85°C, 85% RH) | 1.0 × 10¹⁵ Ω·cm |
