Nan Ya and Indium both surmounted numerous obstacles to achieve their
ultimate successes in producing bromine and chlorine-free materials for
use in printed circuit boards (PCBs). Nan Ya is the world’s largest
supplier of the rigid laminates used to connect PCBs’ insulating layers,
and it was one of the first to produce halogen-free laminates that
performed as well as the halogen-containing FR- 4 industry standard.
Indium developed a new halogen-free solder paste that negates the need
for intentionally added bromine and chlorine.To get more news about Halogen Free PCB, you can visit pcbmake official website.
This section lists some of the chemical compounds commonly used in PCB manufacturing and how they affect human life.
Copper chloride:This chemical is used as an etching solution in PCBs.When a
person rubs his eyes after touching it,copper chloride can cause severe
eye irritation.
Zinc chloride:Zinc chloride is used as a flux in printed circuit boards.This chemical can cause eye problems,breathing
problems,and may affect the heart and lungs.If a person inhales zinc
chloride,it may cause pulmonary edema and severe stomach problems.
Cobalt sulfamate: Cobalt sulfamate is used for electrolytic plating of
PCBs.This plating agent can cause skin and eye irritation.
Bromine: Bromine is used as a flame retardant for PCBs.High levels of bromine
can cause skin irritation,burns,dizziness and headaches.
Chlorine: Various chlorine-based materials are used in PCB manufacturing.Regular
exposure to this chemical can cause tearing, nausea, headache, skin
irritation, burns and dizziness.Furthermore,the handling of bromine,
chlorine or halogen PCBs becomes difficult because they generate toxic
fumes when burned.
Lead: Lead is used as a flux in PCBs. Tin-lead is used to prevent oxidation in copper circuits.Lead produces
toxic fumes during the soldering process and can cause breathing
problems and other serious health problems.
