Half Mask For Welding Fumes. A half-mask covers the mouth and nose with a thick material that filters the air. This respirator class has an APF of 10 and the PEL for hexavalent chromium is 5.
For example consider a disposable half facepiece respirator for a stainless steel welder whose highest exposure is 25 micrograms per cubic meter µgm3 of hexavalent chromium as an 8-hour average. They come in many materials and sizes and often even have filters on them. Ad Improve Your Business ROI - Get A Better Deal On Welding Helmet.
LPR-100 Half Mask Respirator SM ML00894 Designed to fit comfortably under most welding helmets and Weld-Mask 2 the LPR-100 provides up to 9997 filtration of airborne particulates and aerosols both oil-based and non-oil-based.
Use an FFP3 disposable mask or half-mask with P3 filter for work of up to an hour. Miller welding respirators are designed to fit under the welding helmet or integrate airflow into the helmet system for maximum comfort and portability. A half-mask covers the mouth and nose with a thick material that filters the air. LPR-100 Half Mask Respirator SM ML00894 Designed to fit comfortably under most welding helmets and Weld-Mask 2 the LPR-100 provides up to 9997 filtration of airborne particulates and aerosols both oil-based and non-oil-based.