Applications
1, pp: mainly used as automobiles, electrical parts, a variety of containers, furniture, packaging materials and medical equipment.
2, pc: used in the glass assembly industry, automotive industry and electronics, electrical industry, followed by industrial machinery parts, optical disks, packaging, computers and other office equipment, medical and health care, film, leisure and protective equipment.
Two, different densities
1, pp: 0.89 ~ 0.91g/cm?
2, pc: 1200Kg/m?
Three, different melting points
1, pp: melting point of 165 ° C, softened around 155 ° C, the use of the temperature range of -30 ~ 140 ° C. The temperature range of -30 to 140 ° C. The temperature range of -30 to 140 ° C. The temperature range of -30 to 140 ° C. The temperature range of -30 to 140 ° C. The temperature range of -30 to 140 ° C.
2, ppc: 220-230 ℃.
Four, the composition is different
1, pp: polypropylene is a polymer of propylene polymerization reaction.
2, pc: strong thermoplastic resin.
Baidu Encyclopedia-Polypropylene
Baidu Encyclopedia-Polycarbonate