16321 PW C T 1-S CE PW UL 1.2 C 1 KN CE T 854 | LENS MARKINGS MANUFACTURER IDENTIFICATION PW FILTER TYPE U UV filter R IR filter G Sunglare filter for occupational use L Colour detection of signal lights (optional, in addition to filter types) SCALE NUMBER (SHADE) 1.2 Clear, Amber 1.4 Light grey or brown (indoor/outdoor) 1.7 Light mirror (indoor/outdoor) 3 Smoke (sun glare protection) IMPACT LEVEL C Impact level C (45m/s) D Impact level D (80m/s) E Impact level E (120m/s) HM Impact level HM (high mass) T Extreme temperatures (CT, DT, ET, HMT)^ OPTIONAL LENS MARKINGS 1 Enhanced optical performance T Extremes of temperature for mechanical tests^ K Resistance to surface damage N Resistance of lens/filter to fogging CH Resistance to chemicals 9 Resistance to molten metal and hot solids 7 Protection against radiant heat CERTIFICATION MARK CE FRAME MARKINGS APPLICABLE EN ISO STANDARD 16321 MANUFACTURER IDENTIFICATION PW OPTIONAL FRAME MARKINGS 3 Resistance to droplets 4 Resistance to large dust particles 5 Resistance to gas / fine dust 6 Resistance to streams of liquid 7 Resistance to radiant heat (visors) 9 Resistance to molten metal and hot solids CH Resistance to chemicals IMPACT LEVEL C Impact level C (45m/s) D Impact level D (80m/s) E Impact level E (120m/s) HM Impact level HM (high mass) T Extreme temperatures (CT, DT, ET, HMT)^ APPLICABLE HEADFORM SIZE 1-S Small (European headform) 2-S Small (Asian headform) 1-M Medium (European headform) 2-M Medium (Asian headform) 1-L Large (European headform) 2-L Large (Asian headform) CERTIFICATION MARK CE LENS AND FRAME MARKINGS AT EXTREMES OF TEMPERATURE (OPTIONAL TEST) Impact tests are performed at 55°C and -5°C. Eye protector’s mechanical strength followed by letter T. MARKINGS EN 16321:2022
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