Flame retardant treatments become less effective with repeated laundering. Wear clothing made from heavyweight, tightly woven, 100% wool or cotton to protect from UV radiation, hot metal, sparks and open flames.What are the various components of welding hand shields and helmets? More information can be found in the OSH Answers on Eye and Face Protectors. Lighter shade filter lenses can be used with goggles in place of a helmet. plasma arc cutting, gouging or welding, andįor gas cutting, welding, or brazing, the intensity of the light is much less than from arc welding, cutting or gouging processes.The following operations require full face protection by using either a welding helmet or a hand shield: Class 7B – respirator facepiece for non-ionizing radiation protection.Class 6B – face shields for non-ionizing radiation protection.Classes 3 and 4 – welding helmets and hand shields.Class 2C – direct / non-ventilated goggles with non-ionizing radiation protection.Classifications of common protectors for welding operations are listed below: Eye and face protectors should have distinctive markings to identify the manufacturer and their class. Each class is designed for a specific use. The various types of eye protection are broken down into classes in the CSA standard Z94.3-15 "Eye and face protectors”.
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