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NBS Crushed Walnut Shell — 50 lb Bag (12/20 Grit)

National Blast Supply

NBS Crushed Walnut Shell — 50 lb Bag (12/20 Grit)

MPN: NBS-WS1220-50

$29.99 $39.99
Direct Shipment from Manufacturer
Gentle Organic Media for Delicate Surfaces Crushed walnut shell is a soft, organic blasting media that cleans without damaging or altering the underlying surface.
Free shipping on orders over $2,500
Manufacturer warranty included
Ships in 3-5 business days
Questions? (307) 832-5565
Accepted Payment Methods:
Shipping Policy | Return Policy | Warranty Info

Gentle Organic Media for Delicate Surfaces

Crushed walnut shell is a soft, organic blasting media that cleans without damaging or altering the underlying surface. At only 3.5 Mohs hardness, walnut shell removes coatings, grease, and carbon deposits from soft metals, wood, fiberglass, and composites without etching, warping, or dimensional change. 100% biodegradable and non-toxic.

Specifications

Spec Value
Material Crushed Black Walnut Shell
Shape Angular (crushed)
Grit Size 12/20 (850–1700 microns)
Hardness 3.5 Mohs
Bag Weight 50 lbs (22.7 kg)
Recyclability 3–5 cycles
Biodegradable Yes — 100%

Best For

Aircraft paint stripping (MIL-spec approved), fiberglass boat cleaning, wood restoration, log home stripping, engine carbon removal, mold cleaning, electronics deflashing, and any application where the substrate must not be damaged.

Compatible Equipment

All siphon and pressure blast cabinets, portable blasters. Works with all nozzle types — ceramic nozzles will last extremely long with walnut shell.

Shipping & Delivery

National Blast Supply offers free shipping on all orders over $2,500 within the contiguous United States.

Order Processing

3-5 business days handling time

In Transit

5-7 business days shipping via freight carrier

Total Estimated Delivery

8-10 business days from time of order

Depending on seasonality and availability, shipping times may vary. You will receive tracking information once your order has shipped. For questions about shipping to your area, please contact us at (307) 832-5565 or sales@nationalblastsupply.com.

Warranty & Returns

All products sold by National Blast Supply carry the full manufacturer warranty. Warranty terms vary by manufacturer and product. Please contact us for specific warranty details on this item.

Defective or Damaged Products

If you receive a defective or damaged product, please contact us within 48 hours of delivery at (307) 832-5565 or sales@nationalblastsupply.com. We will work with the manufacturer to resolve the issue promptly.

Returns

Returns of unused, undamaged products may be accepted within 30 days of delivery. A restocking fee may apply. Please contact us before returning any item. For full details, see our Refund & Return Policy.

Questions About This Product?

Our equipment specialists are happy to help you determine if this product is right for your application.

Call Us (307) 832-5565

Monday - Friday, 8:00 AM - 5:00 PM MST

Email Us sales@nationalblastsupply.com

We respond within 24-48 hours on business days

We can also provide custom quotes for bulk orders or special configurations.

Gentle Organic Media for Delicate Surfaces

Crushed walnut shell is a soft, organic blasting media that cleans without damaging or altering the underlying surface. At only 3.5 Mohs hardness, walnut shell removes coatings, grease, and carbon deposits from soft metals, wood, fiberglass, and composites without etching, warping, or dimensional change. 100% biodegradable and non-toxic.

Specifications

Spec Value
Material Crushed Black Walnut Shell
Shape Angular (crushed)
Grit Size 12/20 (850–1700 microns)
Hardness 3.5 Mohs
Bag Weight 50 lbs (22.7 kg)
Recyclability 3–5 cycles
Biodegradable Yes — 100%

Best For

Aircraft paint stripping (MIL-spec approved), fiberglass boat cleaning, wood restoration, log home stripping, engine carbon removal, mold cleaning, electronics deflashing, and any application where the substrate must not be damaged.

Compatible Equipment

All siphon and pressure blast cabinets, portable blasters. Works with all nozzle types — ceramic nozzles will last extremely long with walnut shell.

Shipping & Delivery

National Blast Supply offers free shipping on all orders over $2,500 within the contiguous United States.

Order Processing

3-5 business days handling time

In Transit

5-7 business days via freight carrier

Total Estimated Delivery

8-10 business days from order

Shipping times may vary. Contact us at (307) 832-5565 or sales@nationalblastsupply.com.

Warranty & Returns

All products carry the full manufacturer warranty. Contact us for specific warranty details.

Defective or Damaged Products

Contact us within 48 hours of delivery at (307) 832-5565.

Returns

Returns accepted within 30 days. Restocking fee may apply. See our Refund Policy.

Questions About This Product?

Our equipment specialists are happy to help.

Call Us (307) 832-5565

Mon - Fri, 8AM - 5PM MST

Email Us sales@nationalblastsupply.com

Response within 24-48 hours

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Shipping Information

Free shipping on orders over $2,500. Learn about our delivery process.

View Policy

Returns & Warranty

Full manufacturer warranty on all products. Learn about our return process.

View Policy

Need Help Choosing the Right Equipment?

Our specialists can help you find the perfect attachment for your machine and application.

Call (307) 832-5565 Email Us