Walnut Shell Blasting Media Grit
Walnut Shell Grit is a versatile, organic media. It is an angular media that is soft and sensitive to many surfaces. Walnut Shell Grit is an economical, biodegradable alternative for sensitive operations that require a moderately aggressive media.
WALNUT SHELL BLASTING MEDIA FOR GENTLE CLEANING, PAINT REMOVAL AND SURFACE RESTORATION
Walnut Shell Blasting Media is a versatile, organic abrasive made from crushed and graded walnut shells. Its angular particles provide moderate cleaning and stripping action while helping minimize scratching, pitting, etching, or warping of sensitive substrates. Kramer Industries supplies this media for applications where effective surface cleaning is needed without the aggressive action of harder abrasives.
The controlled abrasiveness of walnut shell blasting makes it suitable for removing paint, dirt, grease, carbon, coatings, and other contaminants from surfaces that need to retain their underlying finish. Walnut blasting media can also be selected for restoration, polishing, and cleaning applications where substrate protection is important. Walnut Shell Blasting Media is particularly useful when cleaning performance needs to be balanced with surface preservation. In many cleaning processes, walnut blasting media offers a practical alternative to more aggressive abrasives.
Benefits
- Organic and Naturally Sourced
- Soft Abrasiveness, Minimal Etching
- Lightweight
- Cost Effective
- Limited Breakdown, Reusable
- Biodegradable
Blasting Applications
- Blast Cleaning
- Paint Removal
- Log Home Blasting
- Fiberglass Cleaning and Restoration
- Stone Cleaning
General Applications
- Metal and Plastic Polishing
- Jewelry Polishing
- Cartridge Brass Polishing
- Exfoliants, Facial and Body Scrubs
- Animal and Pet Bedding
Walnut Shell Grit media offers several benefits. It is environmentally friendly, non-toxic, and does not pose any health or environmental hazards. It preserves gel coats, base, and primer while removing topcoats of paint. It can remove contaminants from surfaces without scratching or pitting the underlying material.
The media is durable, reusable, and biodegradable. It can reduce finishing cycle time while helping preserve micro finishes. Because it is silica-free, walnut shell blasting can be considered for applications where silica-containing abrasives are not desired.
Surface Preparation With Walnut Shell Blasting
Walnut shell blasting is useful for surface preparation when the underlying material needs to remain intact. Its moderate abrasiveness can help remove coatings and contaminants from aluminum, fiberglass, wood, brick, steel, and other substrates. walnut shell media blasting can also be used for cleaning components where aggressive cutting could damage the surface.
Automotive, Aircraft, and Industrial Cleaning
Walnut blasting media is used for cleaning automotive and aircraft components, engines, transmissions, and other equipment. It can help remove carbon, paint, grease, and other contaminants while limiting impact on the underlying material.
For restoration work, walnut shells for sandblasting can be used on historical items, decorative surfaces, and other sensitive materials. The media is also used for cleaning steam turbines and preparing metal surfaces for subsequent coating or finishing operations.
Choosing the Right Walnut Shell Grade
Walnut shell media is available in multiple particle sizes, from coarse grades for more aggressive cleaning to fine and flour grades for specialized applications. The appropriate grade depends on the substrate, contaminant, desired cleaning rate, and equipment being used.
For controlled stripping and cleaning, walnut shells for sandblasting can provide a balance between cleaning performance and surface protection. Selecting the correct particle size helps achieve the required result without using a more aggressive abrasive than necessary. Walnut blasting media is also available in fine grades for applications requiring more controlled cleaning.
Walnut Shell Media Blasting Equipment
walnut shell media blasting can be performed with suitable dry abrasive blasting equipment. walnut shell media blasting is commonly selected when operators need controlled cleaning with limited surface impact. Equipment selection, nozzle size, air pressure, media flow, and blasting distance should be matched to the substrate and the type of contamination being removed.
Kramer Industries offers walnut shell grades for different blasting requirements, allowing operators to select a suitable particle size for their process. Proper equipment settings can help maintain consistent coverage and reduce unnecessary media consumption.
Reusability and Media Life
Walnut Shell Blasting Media can be reused when it remains clean and retains suitable particle integrity. Reuse can help reduce media consumption and support cost-effective blasting operations.
The durability of the particles makes walnut shell media useful for repeated cleaning cycles. walnut shell media blasting can provide consistent results when the media is maintained and matched to the application. Walnut Shell Blasting Media can provide consistent results when the media is maintained and matched to the application.
Walnut Shell Compared With Other Blasting Media
Walnut Shell Blasting Media is softer than many conventional abrasive media, making it suitable for applications where preserving the underlying surface is important. Its angular shape provides cleaning and stripping action without the same level of aggressive surface impact associated with harder abrasives.
Compared with corn cob, walnut shell generally provides a different balance of hardness and cleaning action. The right choice depends on the substrate, contamination, desired finish, equipment, and required cleaning rate.
Kramer Industries provides walnut shell media for applications ranging from general cleaning and paint removal to polishing and restoration. Kramer Industries also supports selection by grade for different surface preparation and finishing requirements. Walnut Shell Blasting Media can be selected by grade to match different surface preparation and finishing requirements.
Specifications
Walnut Shell Grit Specifications |
||
|---|---|---|
Grade |
Mesh |
Spec Sheet |
| Extra Coarse | 4/6 (4.75-3.35 mm) |  |
| Coarse | 6/10 (3.35-2.00 mm) | |
| 8/12 (2.36-1.70 mm) | ||
| Medium | 12/20 (1.70-0.85 mm) | |
| 14/30 (1.40-0.56 mm) | ||
| Fine | 18/40 (1.00-0.42 mm) | |
| 20/30 (0.85-0.56 mm) | ||
| 20/40 (0.85-0.42 mm) | ||
| Extra Fine | 35/60 (0.50-0.25 mm) | |
| 40/60 (0.42-0.25 mm) | ||
| Flour | 40/100 (425-150 micron) | |
| 60/100 (250-150 micron) | ||
| 60/200 (250-75 micron) | ||
| -100 (150 micron and finer) | ||
| -200 (75 micron and finer) | ||
| -325 (35 micron and finer) | ||
Note: Images are for comparison purposes only.
Frequently Asked Questions (FAQs)
Q1. Are walnut shells good for sandblasting?
Yes. Walnut shell blasting is suitable for cleaning and removing coatings from many surfaces where minimizing substrate damage is important. It can be used for automotive, aircraft, fiberglass, wood, metal, stone, and restoration applications when the appropriate grade and blasting conditions are selected.
Q2. What is the best blaster for walnut shells?
A suitable pressure blasting system or abrasive blasting cabinet can be used with walnut shell media, depending on the application. The appropriate equipment should provide controlled media flow and allow the operator to adjust air pressure and blasting conditions for the substrate being cleaned.
Q3. Which is better, walnut or corn cob media?
The choice depends on the application. Walnut shell is a moderately abrasive, angular media, while corn cob is softer and absorbent. Walnut shell can be selected when more cleaning action is needed while still limiting surface impact; corn cob may be preferred for gentler cleaning or applications that benefit from its absorbency.
Q4. What can walnut shell blasting remove?
Walnut shell blasting can remove paint, dirt, grease, carbon, coatings, and other contaminants from suitable surfaces. It is also used for cleaning engines, transmissions, fiberglass components, historical items, and other parts where minimizing surface damage is important.
Q5. Is walnut shell media reusable?
Yes. Walnut shell media can be reused when it remains clean and maintains suitable particle integrity. Actual media life depends on the application, blasting conditions, contamination, and particle size.
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