Tonsan® 1521 Black is a high-performance two-component silicone adhesive designed for fast curing at room temperature. It provides strong bonding and sealing, particularly for electronic components like junction boxes in PV modules. This adhesive also offers excellent thermal conductivity and flame retardancy, making it suitable for renewable energy and industrial applications.
1521 Black Features
Fast curing at room temperature
Strong adhesion to PV modules and energy storage systems
Excellent dielectric properties for electrical insulation
High thermal conductivity for efficient heat dissipation
Flame retardant to meet safety standards
Resists extreme weather, temperature, and moisture exposure
1521 Black Applications
Renewable Energy Sector: Used for PV module installation and junction box potting
Battery & Energy Storage: Ideal for lithium-ion battery assembly
Industrial Manufacturing: Suitable for ingot bonding and edge gluing
Electronics & Electrical Components: Provides secure encapsulation for sensitive parts
Turbine & Blade Applications: Strong bonding solutions for wind 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:
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. Need help selecting the right product or solution?