Orilind Limited Company
Hot Air Solder Level is a kind of surface treatment. this surface treatment can protect the PCB Board surface and facilitate PCB Assembly. Its advantage is that it is easy to weld, but the disadvantage is that the surface is relatively poor in smoothness.
According to whether it contains lead or not, HASL can be divided into two types: Hot Air Solder Level with lead and Lead-free hot Air Solder Level.