A laminate name is not a complete material specificationGlass reinforcement + resinEvaluate the actual data sheetThermal: Tg, Td, expansionElectrical: Dk, Df, test frequencyProcess: moisture, thickness, copperQualification: specific product + scopePCB Engineering & FundamentalsFR-4 PCB Material: Properties and ApplicationsOct 13, 2026