How is plastic made clear?
In: Chemistry
You don’t do something to take non-clear plastic and turn it into clear plastic. Some plastics are clear by nature; specifically, they’re transparent to the wavelengths of light that we can see (they’re definitely not transparent to all wavelengths). This happens when none of the frequencies of those particular plastic molecules absorb wavelengths that we can see. This depends on the chemistry of the particular plastic, what other things might have been mixed into it, and sometimes how it was formed & cooled (basically, how the molecules are arranged).
It’s just like why glass (mostly silica) is transparent but many other rocks aren’t.
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