Air blasting with either Steel Shot or Steel Grit provides a couple of unique challenges. Because of the weight of the media (2-3 times 'standard' abrasive blast media), it is important to check with the manufacturer to make sure that your blasting system is designed to handle this media. Many pressure systems are OK but siphon or suction systems will probably have some issues.
Clean and dry (and I mean dry) air is critical for air blasting with steel shot or grit. If moisture gets into the pressure pot, the steel can rust over time reducing the effectiveness and requiring more frequent replacement of the media. If the steel media is left in the pot overnight with moisture you will probably need to purchase a new blasting pot.
Friday, November 21, 2008
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