Copper surfaces: Features electrolytic copper foil that resists oxidation and maintains excellent conductivity over time, providing consistent electrical connection for your projects High Temperature Resistance: The bakelite component withstands extreme heat conditions without warping or degrading, ensuring safe and stable circuit operate in demanding environments Easy to Solder Design: Smooth surfaces with 1.2mm thickness allows effortless soldering, while the phenolic resin base works perfectly with rosin flux for clean, strong solder joints Circuit Layout: The 9x15cm single sided board provides intelligent circuit design with heat dissipation, enhancing electronic while saving production costs Component: Crafted from grade phenolic resin, this single sided general board outstanding durability and for stable circuit projects with long lasting stability, Manufacturer: ZEPFJHE