Toxic, heat easily precipitated toxic substances phenols.
The characteristic of PC is that when it is heated too high, used for too long or encountered acidic substances, it is easy to precipitate harmful substances free phenol.
When free phenol is absorbed by the human body in excess, it may damage liver and kidney cells, resulting in chronic poisoning.
Expanded Information:
1, optical lighting
Used in the manufacture of large lampshades, protective glass, optical instruments, left and right eyepiece barrels, etc., but also can be widely used for transparent materials on the aircraft.
2, electronic and electrical
Polycarbonate is an excellent E (120 ℃) level of insulating materials, used in the manufacture of insulated connectors, coil frames, tube holders, insulated bushings, telephone shells and parts, battery shells of the miner's lamps and so on. Can also be used for the production of very high dimensional accuracy of the parts, such as optical disks, telephones, electronic computers, video recorders, telephone exchanges, signal relays and other communications equipment. Polycarbonate thin touch is also widely used as capacitors, insulated leather bags, audio tapes, color video tapes and so on.
3, mechanical equipment
Used in the manufacture of a variety of gears, racks, worm gear, worm, bearings, cams, bolts, levers, crankshafts, ratchets, but also for some mechanical equipment shells, covers and frames and other parts.
4, medical equipment
Cups, cylinders, bottles and dental instruments, pharmaceutical containers and surgical instruments for medical purposes, and even can be used as artificial kidneys, artificial lungs and other artificial organs.
Baidu Encyclopedia - PC Plastics
People's Daily Online "Jiangsu Province Consumer Association released: children's plastic water cups PP material is safer.