The protection glass should be replaced at regular intervals. The glass is placed in front of the filter shade glass to protect gainst spatter. Lens Material: Polycarbonate is typically used for welding glasses lenses due to its strength, toughness and light weight. Shade numbers generally range from 2 to 14. The glasses are marked Protane Shade SO CE Shade numbers are a guide used by welders to select the most comfortable and clear lens for specific operations. Filter Shade Glass should be selected based on welding process and amperage. The glass is used in shields with a flip-up front frame and should be placed nearest to the eyes to protect against slag or other articles while chipping/ grinding when the flip up front is open.įilters out harmful infra-red and ultra-violet rays from the welding arc, and reduces visible light to a level which is sufficient to see the welding process without straining the welder’s eyes. General Invent Hazard Material (IMO/EU) classification
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