In heavy copper PCB, the thickness of copper is particularly important. The larger the number of ounces of copper, the higher the cost, just as 20 ounces costs more than 16 ounces. Copper is often used in gutters, downspouts, countertops, fume hoods, decorative roofs and upright roofs. It also has a perforated plate and a pre textured hammer plate. We have 16 ounces, 20 ounces, 32 Ounces and 48 ounces of copper; typical paper sizes are 36 "x 120" and 48 "x 120". We also offer smaller 16 and 20 oz coils.The unit of weight of copper is ounces per square foot. Copper forms a bronze color when exposed to weather - many factors affect the color and appearance - copper can be brown, green, black and anywhere in between. Contrary to popular belief, it's not corrosion, it's a chemical reaction. It will not affect the service life of copper products - copper will greatly extend your service life. Hundreds of years ago, buildings in Europe still had copper roofs.All our copper is at least 99.5% pure copper, ASTM B 370.
