Yes. Walnut shell grit is biodegradable and non-toxic, but disposal depends on how it was used. As long as it’s free from contaminants like paint, oil or chemicals it can be disposed of in a regular household bin.
Price range: £14.99 through £58.99
walnut shell fine media 25/52 (0.3mm–0.6 mm) for polishing, tumbling, and light blasting. Ideal for delicate surfaces like alloy wheels, engine components, and factory/farm machinery. comes in 2.5Kg and 5Kg Pouches Plus 10Kg and 20Kg bulk bags for workshops and heavy users
Mascota Products 25/52 Walnut Shell – Fine Polishing & Blasting Media (0.3mm–0.6 mm)
Mascota Products 25/52 walnut shell media is an fine, eco-friendly, biodegradable abrasive designed for polishing, tumbling, and light blasting on delicate surfaces. Its consistent grain size (0.3mm–0.6 mm) delivers gentle but effective cleaning and finishing, removing coatings, dirt, and residues without damaging the underlying material.
🔹 Key Features & Benefits:
Mesh Size 25/52 (0.3mm–0.6 mm) – fine grade for precision finishing
Soft, non-abrasive grit – safe on alloys, metals, plastics & ceramics
Eco-friendly & biodegradable – a sustainable blasting choice
Reusable & cost-effective – can be cycled multiple times
Versatile applications – polishing, tumbling, blasting & surface prep
🔹 Typical Applications:
Polishing and finishing delicate surfaces
Light blasting of alloy wheels, vehicle engines, and machinery parts
Tumbling & deburring small components
Gentle removal of paint, coatings, and carbon deposits
Cleaning turbines, ceramics, and sensitive industrial equipment
🔹 Available Pack Sizes:
2.5 kg & 5 kg resealable pouches – convenient for small projects
10 kg & 20 kg bulk bags – ideal for workshops & professional use

We ship using Royal Mail, ParcelForce/GLS, DHL and UPS to provide a range of reliable and efficient delivery options tailored to your needs.
Shipping Options:
Delivery Costs:
Shipping costs are calculated at checkout based on the size, weight and destination of your order.
UK Standard Delivery costs are:
UK Express Delivery costs are:
Delivery Times:
International Shipping:
We offer international shipping via DHL, UPS, Royal Mail and Parcel Force. Delivery times and costs will vary depending on the destination.
Tracking:
All orders include tracking information, which will be sent to you once your order is dispatched.
Additional Information:
If you have any questions about your delivery, please don’t hesitate to contact us at:
Mascota Products
Unit 4, Enterprise Court
Sandbach, Cheshire
CW11 3SB
UNITED KINGDOM
Phone: +44 (0)1244 794323
Email: info@mascotaproducts.com
Yes. Walnut shell grit is biodegradable and non-toxic, but disposal depends on how it was used. As long as it’s free from contaminants like paint, oil or chemicals it can be disposed of in a regular household bin.
No. All you’ll need is standard sandblasting equipment or a cabinet that supports walnut shell media with a good compressor water trap. Always check your machine’s specifications to ensure compatibility.
When blasting with walnut shell media, consider the following machine criteria:
Yes, we offer free delivery within the UK on orders over £75. The free shipping option will automatically apply at checkout when your order qualifies. See our delivery page for more information
Various delivery options are available at checkout. Please contact us for non UK orders/delivery or see our delivery page for more information.