Laser welding of plastics and metals

welding-laser.blogspot.com — Laser welding of plastics and metals are now common place. Most welding of plastics only softens or melts the substrate bonding them together rather than burning. As a result no actual fume is generated, but some plastics may produce an unpleasant smell. Welding metals however can produce hazardous fume, especially if they are anti corrosion coated