02-03-2025, 07:55 PM
Hi Jamie, I have blasted with both media. The chassis for my special was blasted with crushed glass and I sprayed it with a zinc based primer (Lechler Syntoprimer). Now has a few years of neglect and no problems. Chilled Iron is a longer lasting media but the particles will 'wedge' themselves into small gaps and almost impossible to remove. Not much of a problem with a 7 chassis.