Tool it HAND MASK Series - Product Marking and Specifications; CE Marking and Standards; Mechanical Resistance Symbols; Optical Class and Manufacturer Identification

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CE Marking : European standarde
Mechanical resistance symbol :
S. Increased robustness, withstands an impact caused by a 22 mm 43 g ball at a
speed of 5.1 m/s
F. Low energy impact, withstands an impact caused by a 6 mm 0.86 g ball at a
speed of 45 m/s.
B. Medium energy impact, withstands a 6 mm 0.86 g ball at a speed of 120 m/s.
A. High energy impact, withstands a 6 mm 0.86 g ball at a speed of 190 m/s.
Optical class symbol
1. Regular use
2. Occasional use
3. Exceptional use.
Manufacturer identication: logo or brand recommended by the manufacturer