Mechanical risk - Low energy impact. Low energy impact, resists a 6 mm, 0.86 g ball at 45 m/s.
Mechanical risk- High speed particles at extreme temperatures. The letter T, immediately after the mechanical strength symbol, authorises use for high speed particles at extreme temperatures.Resistance to surface damage by fine particles - The anti-scratchcoating K provides enhanced scratch-certified coating.
Optical class - Continuous work - Worn permanently.