Walnut Shell Filter Material for Oil Industry Cosmetic Walnut Shell Blasting Media Grit
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China [CN] 
Walnut shell abrasive is a natural abrasive material derived from crushed walnut shells. It is a versatile and environmentally friendly abrasive with a wide range of applications. Composition and Characteristics: Walnut shell abrasive is made from the crushed and ground shells of walnut fruits. It is a natural, biodegradable, and renewable material. The shells are typically ground to various sizes, ranging from fine powders to coarse grits. Walnut shell abrasive is lightweight, angular, and has a hardness comparable to soft wood. It also has low dust generation, making it a safer alternative to some other abrasives.
It's important to note that walnut shell abrasive is not suitable for all applications. It is not typically used in high-precision grinding or applications where a very fine surface finish is required. Additionally, individuals with nut allergies should avoid contact with walnut shell abrasive products.
Overall, walnut shell abrasive offers a natural, environmentally friendly, and versatile abrasive option for various industries and applications.
Appearance | Granular |
Color | Brown |
Flash Point | 193°C (380°F) |
Hardness | MOH 2.5-4 |
Free moisture(80ºC for 15 HRS) | 3-9% |
Oil Content | 0.25% |
Volumetric Weight | 850kg/m3 |
Dilatability | 0.5% |
Particle Shape | Irregular |
Proportion | 1.2-1.5g/cm3 |
Bulk Density | 0.8g/cm3 |
Wear Rate | ≤1.5 % |
Rind Puffing Rate | 3% |
Void Ratio | 47 |
Oil Removal Efficiency | 90-95% |
Suspended Solids Removal Rate | 95-98% |
Filtration Rate | 20-26m/h |
Backwashing Strength | 25m3/m2.h |
Surface Cleaning and Preparation: Walnut shell abrasive is commonly used for surface cleaning and preparation in various industries. It is highly effective in removing dirt, grease, scale, paint, coatings, and rust from different surfaces. It is gentle enough to be used on delicate or sensitive materials, such as plastics, wood, and fiberglass, without causing damage or surface deformation.
Deburring and Deflashing: Walnut shell abrasive is also utilized for deburring and deflashing operations in metal, plastic, and composite manufacturing processes. The angular shape and hardness of the walnut shell particles help remove small burrs, sharp edges, and flash from machined or molded parts without altering their dimensions or surface finish.
Polishing and Finishing: Walnut shell abrasive is employed as a natural polishing media for various applications. It is commonly used in tumbling or vibrating machines for surface finishing of metal, plastic, or ceramic components. Walnut shell particles act as gentle abrasives, creating a smooth, polished surface without scratching or damaging the workpiece.
Filtration Media: Due to its porous nature, walnut shell abrasive is used as a filtration media in applications such as water filtration, wastewater treatment, and air purification. The irregular shape and porosity of walnut shells provide an effective medium for trapping and removing particulates, oils, and impurities from fluids and gases.
Cosmetics and Personal Care: Finely ground walnut shell abrasive is utilized in cosmetic and personal care products as a physical exfoliant. It is often found in facial scrubs, body scrubs, and other exfoliating products. The gentle abrasiveness helps remove dead skin cells and impurities, leaving the skin smoother and brighter.
Pet Bedding and Litter: Crushed walnut shells are sometimes used as bedding material for small animals and as a natural alternative to traditional clay-based cat litter. The shells provide a soft and comfortable substrate for pets, and their natural odor-absorbing properties help control unpleasant smells.
Q: Are you a trading company or manufacturer?
A: We are a manufacturer enterprises of abrasives over 20years.our products have competitive price and quality guarantee. Welcome to send your inquiry!
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q:How can I get the new price of a product?
A: Please provide the exact or approximate quantity, packing details, destination port or special requirements, then we could give you the price accordingly.
Q:Is the quality of the abrasives okay?
A: We have the quality control system ISO9001:2008, and it's been followed strictly. We also have the professional QC team, and each our package worker will be in charge of the final inspection according to the QC instruction before packing.
Q: How long is the lead time?
A: Except OEM products, generally 5-7 days for trial order, 10-20 days for mass order once deposit received.
Q:How about your after-sale service ?
A: If any technical or quality problem after you receive the cargo, you can contact us any time.If the problem caused by us, we will send you free goods for replacement or refund your loss.
Q:What is the price?
A:Please feel free to contact us using the Price / Quotation Request Form as it depends on the quantity, etc.
Q:Can we have a visit to your factory?
A:You're warmly welcoming to visit our plant. And please inform me of your scheduled time in advance, we'll pick you up and arrange the agenda for you.
Q:Do you have any experience with exporting?
A:Yes, We have a global sales network reaching all around the world.
Q:Can I use my own design package?
A:Yes, The package can be with your logo.
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