DARK PHOSPHOR REVISION EFFECT TORR. COATING ELECTRODE NUMBER COATING LENGTH TYPES GLASS TYPE LAMP MERCURY SEALING BRIGHTNESS GLASS LIFE CONTENT POWER PROCESS LEVEL DIA. HOURS mg WATTS --- NO 60 210 Ni, Fe, ZrAl, TiHg Pb GLASS SOFT GLASS 14000 4.1mm 10000 5.09 2.1 A YES 60 204 Ni, Fe, ZrAl, TiHg Pb FREE GLASS HARD GLASS 16500 4.0mm 25000 4.1 2.28 B YES 60 210 Ni, Fe, ZrAl, TiHg Pb FREE GLASS HARD GLASS 16500 4.0mm 25000 4.1 2.28