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Electrical and electronic products contain toxic and harmful substances which can be classified as halide, heavy metals and other metal, zinc sulfide, radioactive substances in four categories, the main toxic and harmful substances and contained parts as shown in the following table:
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Name of hazardous substance
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Components and parts
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Halogenated compounds
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PCB£¨polychlorinated biphenyls£©
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Capacitor
Voltage changer
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TBBA;PBB;PBDE
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Flame retardant plastic
Thermoplastic electronic devices
Wire insulation
TBBA
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Chlorofluorocarbon(CFC)
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Compressor
Refrigerator insulation layer of plastic
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PVC£¨polyvinyl chloride£©
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Wire insulation layer
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Heavy metals
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Arsenic
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LED Arsenic gallium alloy
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Barium
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CRT glass
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Berylium
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Main£¨Containing the semiconductor rectifier and X- ray prism£©
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Cadmium
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Nickel-cadmium battery
CRT fluorescent coating
Printer toner
Toner cartridge of Photo copier and printer
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Chromium VI
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Optical disk and tape
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Lead
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CRT kinescope
Lead-acid battery
Circuit board
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Lithium
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Lithium battery
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Mercury
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Fluorescent lamp
LCD Backlight lamp
Alkaline battery
Mercury switch
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Nickel
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Nickel-cadmium battery
Nickel- manganese battery
CRT electron gun
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Rare Earth elements(Yt,Eu)
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CRT kinescope fluorescent coating
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Selenium
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Old photo copier£¨toner cartridge£©
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Zinc sulphide
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CRT kinescope glass coating (containing rare earth metal)
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Radio-active substances
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Medical equipment
flame (smoke) detector
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