Sand Blasting old coatings and corrosion Abrasive blast cleaning (also known as sandblasting or media blasting) is an excellent option to remove rust, coatings, and other foreign matter from many surfaces, it is important that the surface be clean to achieve maximum adhesion and durability while coating. Sand Blasting is more clean than dry ice. Every type of blasting media works best for different situations.
for glass blasting media
This is an inert abrasive that is recommended by NIOSH as a substitute for slag and mineral abrasives. Contains no heavy metals, no free silica, Also is great for blasting projects where it is impractical to recover lost or spilled spent abrasive. Applications are numerous and range from use as a filler, anti skid, anti-slip additive for resin and epoxy coatings, surface prep sandblasting, log home blasting, and concrete panel blasting, etc. It is much more aggressive than soda blasting, it can remove more corrosion and rougher coatings that some media’s can not. It is CARB approved for outdoor blasting. Also most of the time its recycled so it’s a greener product.
Walnut shell blasting
Using Walnut Shells to Clean abrasive surfaces such as ferrous metals or soft abrasive material left inside a working part will break down with minimal damage. Great For uses where in environment could be harmed such as on bridges over rivers, It is also a healthier product than sand being ( Free silica ) It can replace sand in paint removal, graffiti, and general cleaning in restoration industry. Walnut shells along with dry ice blasting can be used to clean aircraft engines and steam turbines. Walnut shells can be used for cleaning and polishing metal parts in vibratory tumblers, it treated with a polishing compound to enhance the outcome. When the walnut media is mixed with the polishing compound, dirty metal parts are left clean and shining.