IPDB › China Industry › Tools & Hardware › Abrasive & Grinding
Walnut Shell Grit for Sandblasting Applications1
Abrasive Grinding, Abrasive Grains, Walnut Shell, Walnut Shell Abrasive
LUOYANG FRERE IMPORT AND EXPORT TRADING CO., LTD.
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Product Description Product Description Walnut shell abrasive media is a natural, eco-friendly material derived from crushed walnut shells. Known for its versatility and gentle abrasive properties, it is widely used in various industrial and cleaning applications. This biodegradable product offers an effective, non-toxic alternative to traditional sandblasting media, ensuring the preservation of the integrity of delicate surfaces while providing efficient cleaning and polishing.Key Features:Eco-Friendly: Made from renewable resources, walnut shells are biodegradable and non-toxic, posing no harm to the environment.Gentle Abrasion: The soft yet effective abrasive nature makes it suitable for cleaning and polishing sensitive surfaces without causing damage.Durability: High resistance to breakage and long-lasting performance make it an economical choice for repeated use.Versatile Applications: Ideal for a wide range of applications including cleaning, polishing, paint removal, and surface preparation.Technical Specifications:Material: Crushed walnut shellsHardness: 2.5 - 3.5 on the Mohs scaleSpecific Gravity: Approximately 1.2 - 1.4Particle Size: Available in various grades (e.g., fine, medium, coarse) to suit different application needsColor: Light to dark brownApplications:Sandblasting: Used for delicate sandblasting operations to clean and polish surfaces such as metals, wood, glass, and stone without etching or damaging the material.Deburring: Effective in removing burrs and sharp edges from metal and plastic parts, providing a smooth finish.Paint and Coating Removal: Efficiently removes old paint, varnish, and other coatings from surfaces without harming the underlying material.Tumbling Media: Utilized in vibratory and rotary tumblers for polishing and finishing jewelry, metal parts, and other delicate items.Filtration: Employed in water and air filtration systems due to its excellent adsorption properties.Benefits:Non-Abrasive Cleaning: Ensures surfaces are cleaned without scratching or pitting, preserving their original condition.Cost-Effective: Reusable multiple times, providing a cost-efficient solution for abrasive cleaning and polishing tasks.Health and Safety: Generates minimal dust, reducing health hazards associated with inhalation of fine particles during blasting operations.Detailed PhotosPRODUCTION PROCESSCollection of Raw Material:Walnut Harvesting: Walnut shells are collected as a byproduct of the walnut industry. After the nuts are harvested and the edible part is removed, the remaining shells are gathered for processing.Cleaning and Sorting:Initial Cleaning: The collected walnut shells are cleaned to remove any remaining walnut meat, dust, dirt, and other impurities.Sorting: The shells are sorted to remove any large debris or foreign materials. This can be done manually or with mechanical sorting equipment.Crushing:Primary Crushing: The cleaned and sorted walnut shells are fed into crushers where they are broken down into smaller pieces. This step ensures that the shells are reduced to a size suitable for further processing.Secondary Crushing: Further crushing may be necessary to achieve the desired size. Hammer mills, roller mills, or impact crushers are commonly used to obtain the appropriate granularity.Screening and Classification:Size Classification: The crushed walnut shells are passed through a series of screens to classify them into different size grades. This ensures that the final product meets the specific size requirements for sandblasting applications.Air Classification (Optional): For finer control over particle size distribution, air classifiers may be used to separate the crushed shells into precise size fractions.Dust Removal:Cyclone Separators and Dust Collectors: Any fine dust generated during the crushing and screening process is removed using cyclone separators and dust collectors. This step is crucial to ensure the final product is free from fine dust particles, which can affect the performance of the sandblasting media.Quality Control:Testing: Samples of the processed walnut shell media are tested to ensure they meet the required specifications. Tests may include checking for particle size distribution, hardness, and cleanliness.Inspection: Visual inspections and other quality control measures are taken to ensure the consistency and quality of the final product.Packaging:Bagging: The final product is packaged into bags or containers according to customer specifications. Common packaging options include bulk bags, smaller sacks, or drums.Labeling: Each package is labeled with relevant information, such as particle size, batch number, and any other pertinent details to ensure traceability and quality assurance.Storage and Distribution:Storage: The packaged walnut shell media is stored in a dry, controlled environment to maintain its quality and prevent contamination.Distribution: The final product is distributed to customers, which may include sandblasting companies, abrasive suppliers, and other end-users.This process ensures that the walnut shell media produced is of high quality, suitable for use in sandblasting applications where a gentle, yet effective, abrasive is needed. The media is known for being environmentally friendly and less aggressive than traditional sandblasting materials, making it ideal for cleaning and polishing sensitive surfaces. Product Parameters Particle Size Distribution:Available in various grades for different applications (coarse to fine).Coarse grades (12/20, 20/40 mesh), fine grades (40/100, 100/200 mesh).Surface Area:Larger surface area in finer grades, important for applications like filtration and polishing.Abrasion Resistance:High resistance to abrasion, useful in polishing and blasting applications. Material CompositionBase MaterialCrushed walnut shellsColorLight to dark brownFormGranular Physical PropertiesHardness2.5 - 3.5 on the Mohs scaleSpecific Gravity1.2 - 1.4 g/cm3Bulk Density35 - 50 lb/ft3 (560 - 800 kg/m3)ShapeAngular to sub-angular, with irregular edgesMoisture ContentTypically less than 8%pHNeutral to slightly alkaline (pH 6.5 - 7.5)SolubilityInsoluble in waterThermal ConductivityLow thermal conductivity, making it safe for use in high-temperature applicationsDust GenerationLow dust generation compared to other abrasive media Packaging & ShippingBagging: The final product is packaged into bags or containers according to customer specifications.Common packaging options include bulk bags, smaller sacks, or drums.Labeling: Each package is labeled with relevant information, such as particle size, batch number, and any other pertinent details to ensure traceability and quality assurance. Company ProfileLuoyang Frere Import and Export Trading Co., Ltd. is a distinguished trading company specializing in refractory materials and abrasive media. With an integrated approach combining industry and trade, we boast well-equipped testing facilities and robust technical expertise. Our two factories, located in Luoyang city, Henan province, bring 24 years of experience in producing Brown Fused Alumina (BFA) and White Fused Alumina (WFA).Leveraging our strong factory relationships, we offer premium Cutting Wheels, Grinding Wheels, and Flap Discs at competitive prices. Our products enjoy widespread recognition and trust, adeptly meeting the evolving economic and social demands of the market. We are committed to quality and customer satisfaction, ensuring our offerings consistently meet the highest standards.At Luoyang Frere, we value long-term partnerships and look forward to the opportunity to collaborate with your esteemed company. Our team is eager to support your needs and contribute to your success in the near future. Our Advantages1.High-Quality Products & Competitive Pricing :We source and supply top-grade abrasive and refractory materials that meet stringent international standards, ensuring superior performance and reliability in various industrial applications.Leveraging our strong relationships with manufacturers and efficient supply chain management, we offer highly competitive prices without compromising on quality.2.Custom Solutions:We provide tailored solutions to meet specific customer requirements, including customized packaging, product specifications, and delivery schedules, ensuring optimal satisfaction and convenience.3.Expertise and Experience:Our team consists of industry experts with extensive knowledge and experience, enabling us to provide valuable technical support and guidance to our customers.4.Quality Assurance:We implement rigorous quality control measures at every stage of the procurement and delivery process, guaranteeing that our products meet the highest quality standards.5.Sustainability and Environmental Responsibility:We are committed to sustainability and environmental responsibility, offering eco-friendly products and solutions that help our customers reduce their environmental impact.6.Customer-Centric Approach:Our customer-centric approach ensures that we prioritize the needs and preferences of our clients, providing exceptional customer service and building long-term partnerships based on trust and mutual benefit. After Sales ServiceAt Frere company, we believe that our responsibility to our customers extends well beyond the point of sale. Our comprehensive after-sales service is designed to ensure your continued satisfaction and success with our products. Here's what you can expect when you choose us as your abrasive and refractory supplier:1. Technical Support:Our team of experienced engineers and technical specialists is available to provide expert advice and support. Whether you need assistance with product selection, application techniques, or troubleshooting, we are here to help you achieve the best results.2. Product Training:We offer thorough training programs to ensure your team is fully equipped to use our products effectively and safely. Our training covers everything from basic handling to advanced application methods, tailored to your specific needs.3. Warranty and Repairs:All our products come with a robust warranty. Should you encounter any issues, our dedicated service team will provide prompt repairs or replacements, ensuring minimal disruption to your operations.4. Regular Follow-ups:We believe in proactive customer service. Our team will conduct regular follow-ups to check on the performance of our products and gather feedback. This helps us continuously improve and tailor our offerings to better meet your needs.5. Maintenance Services:To maximize the lifespan and efficiency of our products, we offer maintenance services. Our experts can help you develop a maintenance schedule and provide on-site support to keep your equipment in optimal condition.6. Rapid Response:In the event of an urgent issue, our rapid response team is on hand to provide immediate assistance. We understand that time is critical in your operations, and we strive to resolve any problems as quickly as possible.7. Spare Parts Availability:We maintain a comprehensive inventory of spare parts to ensure you have quick access to the components you need. Our efficient logistics network guarantees fast delivery, reducing downtime and keeping your operations running smoothly.8. Customer Feedback Loop:Your feedback is invaluable to us. We actively seek your input on our products and services, using it to drive continuous improvement. Our goal is to exceed your expectations in every interaction.9. 24/7 Customer Service:Our dedicated customer service team is available 24/7 to address any concerns or questions you may have. Whether it's a simple query or an emergency situation, we are always here to support you.
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