All of us have seen these symbols before, but seldom people understand what the numbers actually represent for..thus, it is very crucial for all of us to know it..
The numbers aren't just for recycling purpose, but it tells the chemical make up of the plastic:
1) Polyethylene terephalate (PET)
2) High density polythylene (HDPE)
3) Unplasticised polyvinyl chloride (UPVC) or Plasticised polyvinyl chloride (PPVC)
4) Low density polyethylene LDPE
5) Polypropylene (PP)
6) Polystyrene (PS) or Expandable polystyrene (EPS)
7) Others, including nylon and acrylic
2) High density polythylene (HDPE)
3) Unplasticised polyvinyl chloride (UPVC) or Plasticised polyvinyl chloride (PPVC)
4) Low density polyethylene LDPE
5) Polypropylene (PP)
6) Polystyrene (PS) or Expandable polystyrene (EPS)
7) Others, including nylon and acrylic
After you have digested the information above, now is time to let us aware of the most dangerous numbers.....3,6 and 7!
So.. do not use these numbers if stated at the bottom of the bottle~ please take note..
So.. do not use these numbers if stated at the bottom of the bottle~ please take note..