Product Introduction
Tonsan® 1521 White is a high-performance two-component silicone adhesive designed for fast curing at room temperature. It is ideal for sealing and bonding PV modules, providing excellent thermal conductivity and flame retardancy. This adhesive ensures long-term protection in industrial and renewable energy applications.
1521 White Features
- Quick curing for efficient production processes
- Strong adhesion to metals, plastics, and glass
- Electrical insulation properties for electronic components
- Enhanced heat dissipation to prolong component life
- Meets safety standards for industrial use
- Resistant to harsh conditions and temperature variations
1521 White Applications
- Renewable Energy Industry: For PV module installation and junction box potting
- Battery & Energy Storage: Ideal for lithium-ion battery assembly
- Industrial Manufacturing: Suitable for edge gluing and frame sealing
- Electronics & Electrical Components: Provides protection for electronic parts
- Turbine & Blade Applications: Durable bonding for wind and industrial turbines
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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| 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 |
