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Media Blasting
A surface preparation process using selected media such as glass bead, plastic bead, steel shot, or walnut shell, chosen to achieve a specific surface profile and cleanliness level without damaging the substrate.
Media blasting offers a gentler alternative to aggressive sandblasting when you need surface cleaning without the risk of damaging thin sections, sensitive coatings, or delicate geometries. Glass bead blasting produces a smooth, cosmetic finish ideal for decorative stainless steel and aluminum components; plastic bead media is preferred for composite and painted surfaces where traditional steel shot would over-blast and cause pitting.
Walnut shell blasting provides an environmentally friendly option for softer materials like aluminum, while maintaining the ability to achieve specified surface profile for coating adhesion. The choice of media directly impacts cost, surface quality, and material removal rate, so engineers carefully select the appropriate medium based on substrate hardness, cleanliness requirements, and acceptable surface profile.
Investing in the right blast media and trained operators ensures your parts receive optimal preparation for metal finishing processes.
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Receive a free, custom quote for you project. Midwest Metal Fabrications can handle any job, small or large and is ISO 9001:2015 and AS9100 Certified.