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Walnut Shell Blast Media

Maximizing media longevity and value

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Walnut Shell Natural Blast MediaWalnut shells are a less abrasive, gentler media material that don’t pose a risk of damaging substrate surfaces during blasting.  Crushed walnut shells are a milder media alternative to harsher materials like steel shot or aluminum oxide.

Used in dry blasting applications, they strip the topcoat down while leaving the undercoat, or substrate, intact.  Before walnut shells were used for blasting, users would have to strip down surfaces to the bare metal and replace the undercoat.  Using walnut shell media blasting cuts out these extra time-consuming and costly steps by preserving the bottom layer. Its use in dry blasting also reduces time spent on drying.

Walnut shells and other natural media are a good choice for cleaning, deburring, grinding and polishing, and stripping of softer substrates (plastics, wood, aluminum) because of their soft material, angular design and weight.  They’re compatible with many types of metal finishing processes, which may eliminate the need to buy multiple abrasive materials.  Since walnut shells are a reusable type of media, it makes them very cost effective.  They contain none of the potential harmful toxins other abrasives may contain and are biodegradable, making them safe for users and the environment.


Other media choices include:
   Aluminum Oxide
Glass Beads
Plastic Media
Steel Shot
Bi-Carbonate of Soda

To learn which media will most economically produce the optimal surface finish, please click below to request a call from one of our media specialists, and to arrange for a no charge MEDIA SAMPLE TEST of your needs.

HTE Abrasive Blast Solutions is dedicated to providing the resources Kansas, Missouri and Illinois manufacturers need to maximize the return on their metal finishing media investment.
For more information please contact Customer Service at 800-444-4831 or by email at