Alkali Resistant Fiberglass Roving AR FIBERGLASS ROVING USED FOR SPRAY UP OR MECHANICAL CONTINUOUS FORMING GRC, PROPERTIES AS FOLLOWS: STYLE GLASS DENSITY FILAMENT DIAMETER YARN DESITY BREAKING STRENGTH SIZE CONTANT WARTER CONTANT STIFFNESS g/cm m TEX g/km N > % < % (mm) > ARCK-2400 2.78 14 1.5 2400 - 15 - 2.2 0.1 120 SOAKED IN 100C SATURATED Ca(OH)2 INSOLUTION FOR 4 HOURS, REMAINED FILAMENT STRENGTH > 82%, DIAMETER DIMINUTION