There does not appear to be a scientific term to describe a fear of polystyrene.
If your fear begins to negatively affect the quality of your life, or your happiness, then please consult a doctor to help you to address your fear.
Perhaps if you define what it is the phobic is afraid that polystyrene might do, or cause to be done, it might be possible to put a temporary label on the phobia.
The irrational fear is called a phobia; the experience or object that triggers a phobia could be called a phobic experience or object.
the only phobia of the fear of crickets is crickephobia
Bebuphobia...that is the fear or phobia of blueberries.
To have a phobia is to have a fear.
Mud Phobia is the phobia (fear) of mud. Its called mysophobia, myso meaning mud and phobia meaning fear.
Atychiphobia (kakorrhaphiophobia, fear of failure, fear of failing, failure phobia).
Theophobia- the irrational fear of a god or deity. Remember its only a phobia if its an "irrational" fear, a normal healthy fear is not a phobia.
There is no medical term or phobia name for the fear of immigrants.However a similar phobia called Xenophobia is the fear of foreigners.
We use the term phobophobia to name the fear of fear or of phobias. (The word phobia comes from the Greek for fear.)
Hylephobia is the name of the phobia related to the fear of materialism
Ballistophobia is the name of the phobia related to the fear of missiles
Limnophobia is the name of the phobia associated with the fear of lakes