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What's Plastic?>Kinds of Plastic

Kinds of Plastic

Do you know that plastic has various kinds?
I know the polyethylene terephthalate is used for PET bottles.
The vinyl chloride is used for the eraser.


Mr.Usukawa, are these any other kinds?

Of course! Well, let's look at several kinds of plastics.
I suppose you've ever heard of some kinds of plastics somewhere.


【Experiment】 〜Differences when plastics are heated〜

Then, let's make an experiment here.
Let's compare differences when plastics are heated with the flame of a gas burner.
Click on underlined words in the right side of the table below, and you’ll see experiment movies.
Polyethylene(PE) Burning and melting
Polyethylene terephthalate(PET) Hard to burn
Polyvinyl chloride(PVC) It burns but stops burning if separated from a flame.
Polystyrene(PS) Soot appears.
Polypropylene(PP) It burns violently, melting.
I was surprised that the reactions when plastics are heated were different from one another.

I suppose we use plastics properly by taking advantage of their own characteristics. Amazing!

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