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How to distinguish the difference between 'HDPE' and 'PET'?

  • Author:Megan
  • Release on :2017-08-11

  Have you ever wondered what the acronyms 'HDPE' & 'PET' stand for when referring to types of plastic products?

  Now let us realize theirs more details. HDPE = High-density polyethylene and PET = Polyethylene terephthalate. PETG=Polyethylene terephthalate glycol, here's some physical example about them.

  Start with HDPE, It has its features.
The natural state is translucent,matte,unsmooth and odorless, it is likely milk white, the picture below is a physical example of the state of nature.
1 liter white trigger bottle  
  
  The most easily separated feature of white color state is matte and unsmooth,
The picture below is HDPE household detergent plastic bottle, Be Carefully distinguish the difference between the PET bottle of white color state.

1 liter spray bottle

  Then we learn PET bottle,It possess individual features. The natural state is transparent,glossy and smooth, the picture below is a physical example of the state of nature.

PET plastic bottle

  However when the PET bottle dyed toner, the most easily separated feature of white color state is glossy and smooth, the picture below is PET 30ml boston round bottle, it shaped for possible applications include pharmaceuitical use and pills or industrial use and powder. Just be carefully distinguish the difference between the two state of PET bottle and HDPE bottle.

small boston round bottle
  
  Now, can you able to distinguish between the two matetial?