NP510A (NEMA FR-4) combines a woven glass fabric and an epoxy resin laminate (Tg approximately 130°C) that contains bromine. The product provides consistent quality and good electrical properties under dry and humid conditions, as well as high flexural, impact, and bond strength at room temperatures. This product is suitable for a variety of structural, high humidity, and electrical insulation applications, which include terminal boards, lapping carriers, and disc and microelectronics polishing. NP510A complies with the requirements of MIL-I-24768/27, Type GEE-F.