Manufactured to EN166-3B. For use with HC300 & HC600 range of helmets. Sturdy metal construction. Heat resistant up to 600°C. Chemical resistant to numerous solvents, acids, alkalis, hydrocarbons and other corrosive agents. Suitable for: General use and protection against impact (120m/s) and Chemical industry (protection against droplets and splashes of liquid)With Honeywell Safety Product’s acquisition of Sperian, two of the most respected safety brands in the world have united to deliver best-in-class quality and performance to people at work everywhere. To mark the change, all Sperian products now carry the name Honeywell Sperian followed by the existing model numbers.Honeywell Safety Products are committed to protecting workers exposed to risks in all types of industries.