Series available: E-glass: ERC-1200, ERC-2400, ERC-4800, ERC9600 C-glass: CRC-1200, CRC-2400, CRC-4800, CRC9600 Filament winding roving is soft ... , smooth and has better compatibility with styrene for fast resin impregnation.Series available: E-glass: ERC-1200 ...