Media Used for Abrasive Blasting
- White aluminum oxide: A sharp, reusable and durable abrasive that cleans and penetrates metal; technicians often use it to prepare a metal surface for painting
- Aluminum oxide grit: A standard blasting media used for grinding, polishing, surface cleaning and surface coating preparation
- Glass beads: Reusable glass media that’s lead- and silica-free to clean and polish metal without causing dimensional changes
- Crushed glass grit: An abrasive made from recycled glass bottles that’s used to remove coatings from materials like coal tar, epoxy, paint, vinyl and polyurea
- Acrylic: A gentle abrasive used to strip sensitive surfaces
- Corncob grit: A reusable, biodegradable, organic media made from corncobs to clean and remove surface contaminates
- Pumice: An abrasive made from lightweight volcanic rocks that’s ideal for less aggressive operations
- Walnut shells: Blasting media made from walnut shells that cleans and polishes a surface without marring, scratching or etching it
- Silicon carbide grit: The hardest blasting media available; used for etching stones and engraving glass
- Steel grit: Used when aggressive cleaning is needed on steel or foundry metals; also used for metal surface coating preparation
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