7019400019
- Glass fibres (including glass wool) and articles thereof (for example, yarn, woven fabrics)
- Woven fabrics of rovings
- Woven fabrics of rovings, impregnated with epoxy resin, with a coefficient of thermal expansion between 30°C and 120°C (measured according to IPC-TM-650) of:
- 10ppm per°C or more but not more than 12ppm per°C in the length and width, and
- 20ppm per°C or more but not more than 30ppm per°C in the thickness, with a glass transition temperature of 152°C or more but not more than 153°C (measured according IPC-TM-650) - Other