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Fumes generated by soldering A woman at a bench working in front of a filtration system. A fume extractor is a device used to filter aerosolized chemical byproducts of the soldering process. [1] These devices take many forms depending on the project size and application, from small ductwork to entire fume hoods. [2]
The system may be arranged to allow the gases to escape through the forward set of holes before the shell reaches it, causing a partial vacuum to develop directly behind the shell, aiding extraction. [2] For best results, the breech must be opened at the proper time, just as the forward momentum of the gases reaches its maximum, the peak flow.
The fumes liberated during soldering have adverse health effects, and volatile organic compounds can be outgassed during processing; The solvents required for post-soldering cleaning of the boards are expensive and may have adverse environmental impact; In special cases the drawbacks are sufficiently serious to warrant using fluxless techniques.
Industrial Extraction is the process by which harmful air contaminants are removed from the work place for the protection of employees and the environment. [1]In the UK, the Health and Safety Executive has implemented COSHH regulations to ensure all industrial workplaces protect the health of their employees via effective Local Exhaust Ventilation (LEV). [2]
A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle high-volume dust loads, a dust collector system consists of a blower, dust filter, a filter-cleaning system, and a dust receptacle or dust removal system.
Polyethylene plastic sheet, 4 or 6 thou (0.10 or 0.15 mm), 0.03 US perm (1.7 SI perm). Advanced Polyethylene vapor retarders that pass the ASTM E 1745 standard tests ≤0.3 US perm (17 SI perm). Asphalt-coated kraft paper, often attached to one side of fiberglass batts, 0.40 US perm (22 SI perm). Metallized film
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