Start sanding with a relatively coarse paper such as 320 grit then move through the grits to increasingly finer ones until the plastic is scratch free.
How to make milky clear plastic sheeting clear.
Add a small amount of a gentle detergent such as dish soap to clean warm water.
Fill a small bucket or your sink with white vinegar.
The first step to cleaning any clear plastic item is wiping away dust dirt grime oils etc.
Opt for non abrasive materials so that you don t scratch the plastic surface.
Lubricate the sandpaper with water and sand by hand with a circular motion.
Alternately apply a dusting of baking soda to a damp sponge and scrub the cups.
Scoop the milk and vinegar curds out of the mug and onto the paper towels.
Fill the sink with a 50 50 solution of warm water and white vinegar.
Place all of the plastic items in the water and let them soak for 1 hour.
Press down to extract excess water.
The vinegar will loosen and dissolve the cloudy residue.
If the vinegar dip didn t help clean your foggy plastic cups sprinkle them with a handful of baking soda.
When plastic becomes cloudy you are left with an unattractive haze that can t be removed with soap and water alone.
The baking soda and vinegar will react.
Remove them and check the results 1 x research sourcestep 2 sprinkle baking soda on cups coated with vinegar.
Fill the sink with a 50 50 solution of warm water and white vinegar.
Stack four layers of paper towels on top of each other.
The next step is to use your detergent and water to wipe your plexiglass.
Submerge your foggy glasses in the vinegar for five minutes.
Step 2 place all of the plastic items in the water and let them soak for 1 hour.
Since acrylic sheets get scratches fast avoid using any harsh chemicals.
Step 1 soak your cups in vinegar.
It is best that you use a mild detergent that will not stain or cloud your plexiglass.
Place additional layers of paper towels on top of the forming plastic milk.
The vinegar will loosen and dissolve the cloudy residue.