FR-4 (Glass fiber epoxy resin)Features:FR-4 is a glass fiber fabric reinforced epoxy resin with a medium dielectric constant (Dk 4.5-5.5), low dielectric loss (Df 0.02-0.03), high mechanical strength (bending strength ≥400 MPa), and UL94 V-0 flame retardancy.Advantages:Low cost: Material cost is 50%

Have you ever wondered which PCB material is best for your project? FR4 and Aluminum PCBs are both popular, but each offers unique advantages. In this article, we will discuss the key differences, performance factors, and applications of both materials.