This video shows highlights of using plastic media blasting to clean trains, effectively removing coatings with .5 inches of filler, without the need to mask rubber seals around windows. Plastic media is the preferred method of blast cleaning on steel, aluminum, alloys and composites. For over 30 years, Composition Materials has custom-engineered PLASTI-GRIT® in 5 grades of hardness. Contact us for assistance with selecting the media type and size for your application.