Plastic bottle currently in use are all 7 types and each type has a different บุติ as
1.PET / PETP Polyethylene terephthalate
.A linear saturated polyester, the most important being used in the form of สังเคราะห์เป็นส่วนใหญ่ fibers in the form of PET bottles (by way of blowing stretch. = Stretch-Blow Moulding) PET bottles will clear sticky, not easily broken, withstand high pressure gasFDA (board of food and Drug Administration) already use, bottlingFood, alcohol, drugs, cosmetics,
2.HDPE High density polyethylene
a PE with density since. 940 g / cm 3 or above. Use of packaging such as bottles, medicine packaging, cosmetics packaging panel, etc. 3.PVC or Polyvinylchloride
.A thermoplastic that used widely are important when fire is to put yourself
4. LDPE Low density polyethylene
. A PE with density. 910-.925 g / cm3 do evening bags, zipper bags, agricultural films, water dropsAn insulated wires and cables, household items, toys, i.v. saline bottle, etc.,
5.PP Polypropylene
.A type of thermoplastic plastic lighter. A mechanical properties good, tough, resistant to the tensile strength, impact strength and balance, a good point that 165, C fuse Steam and oxygen permeability is low. A very good electrical insulation
6.The foam or polystyrene. (Polystyrene)
7. Plastic made from polycarbonate or Lexan found in plastic bottle / water brands. The expensive imported.
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