Silicon Carbide Sand – Unrivaled Precision in a Variety of Applications

Silicon carbide sand disproves any notion of its limited application, providing precision across various materials. From coarse material removal to surface smoothing, silicon carbide sand elevates craftsmanship and leads to exceptional results.

Mercer 9″ x 11″ Water Proof Sandpaper Sheets feature premium silicon carbide grains resin-bonded onto strong latex-backed paper for wet or dry sanding without the use of any lubricants.


Silicon carbide is one of the hardest materials on Earth, boasting an extreme hardness of 9.5 on Mohs scale – more difficult than sapphire yet not as hard as diamond. This extreme hardness is what makes silicon carbide useful as an abrasive; its hardness enables it to cut metals, stone, wood and soft materials like glass and paint while leaving behind no trace. Silicon carbide blasting – which involves projecting an abrasive media at high speeds across product surfaces in order to remove rusting or remove old finishes – is another popular use case of silicon carbide applications alongside grinding nonferrous materials finishing hard materials or ceramic parts finishing.

Silicon carbide abrasives stand out from its competition due to being resistant to air or water oxidation, making it more durable than its competitors such as aluminum oxide. Ideal for both dry and wet sanding operations, silicon carbide comes in various abrasive grains for various sanding equipment such as belts, discs, sheets sponges and power sanders.

Silicon carbide abrasives are often utilized for intermediate and final sanding of woodworking projects, often in tandem with aluminum oxide. Aluminum oxide helps rough up the wood before switching over to silicon for the finish sanding step. Silicon sanding abrasives can also be used on glass, stone and metal materials such as casting iron.

Manufacturers make silicon carbide by heating a mixture of pure silica sand and carbon in an electrical resistance-type furnace, then crushing, washing with acid and alkali solutions, magnetically separating them with high intensity magnets, sieving them through and water-selecting to produce various particle sizes suitable for industrial uses. Black silicon carbide is typically used for blasting operations as well as grinding wheels production as well as wear-resistant and corrosion-resistant materials; GrSiC is more commonly utilized in applications like coating modification of electronic components and grinding tools.


Silicon carbide sandpaper offers more versatility and control than aluminum oxide sandpaper for applications that require precision and control, such as corners and edges. Being flexible also makes this an excellent option for difficult-to-reach areas such as corners or edges that may otherwise prove hard to sand.

Silicon carbide sandpaper’s versatility extends beyond its dry use; it can also be wet-sanded, which makes it the ideal tool for tasks such as rough sanding or stripping away paint or rust. Wet sanding also minimizes scratches while simultaneously decreasing airborne dust levels – an approach favored by some manufacturers who make wet-sandable silicon carbide paper with waterproof backing so it can be wet-sanded while also reducing airborne dust levels.

Sandpaper made of black silicon carbide can be used for an array of tasks, from general purpose, automotive and marine sanding, as well as general household use. Grit sizes usually range from 60 to 180, and its durability surpasses that of aluminum oxide alternatives – so selecting the appropriate grit size for your project is of utmost importance.

Black silicon carbide is an extremely hard, long-wearing material with exceptional high-temperature performance, being capable of withstanding temperatures up to 2,700degC without losing strength or resistance to impact. As such, it makes an excellent choice for high-temperature applications like the lining of nonferrous metal smelting furnaces or copper and zinc melting furnaces, and also has excellent corrosion resistance properties which allow it to work reliably over time in acidic, alkaline, or oxidative environments.

SiC is found naturally on Earth as a mineral form (moissanite), yet mass produced as powder and crystal since 1893 for use as an abrasive. Doped with nitrogen, phosphorus, beryllium aluminum or gallium it can also be doped to produce various semiconductors; additionally fused with glass it forms ceramic bulletproof vests or car brake pads used by bulletproof vest manufacturers or used to make high voltage electrical equipment; additionally this material has become an attractive alternative to diamond for sharpening tool sharpening applications.

Fast Stock Removal

Silicon carbide abrasive material removal prowess allows it to quickly strip away coatings and other materials ensuring your work meets or surpasses industry standards.

Heat resistance is another feature that distinguishes this abrasive from its competition. It stands up well to high temperatures, preventing thermal degradation and providing reliable performance even when your application requires heavy-duty sanding.

Silicon carbide’s crystalline structure also makes it a potency abrasive, making it ideal for quickly cutting through various materials like paint or rust from metal surfaces. Our extra coarse silicon carbide sandpaper helps users quickly and efficiently remove stubborn coatings while still achieving part geometry and creating a polished, sleek surface finish.

Silicon carbide abrasives stand out from other materials by maintaining their sharp edge through repeated use, providing superior abrasion and cutting power. Their longevity enables controlled sanding process for consistent outcomes every time.

Silicon carbide sandpaper comes in various grit sizes to meet various applications. Finer grades provide smooth finishing for wood, glass and metal surfaces while coarser grains are perfect for deburring metal objects or vehicles as well as removing rust.

This abrasive is produced by heating a mixture of silica sand and carbon in the form of coal or petroleum coke in a brick electrical resistance-type furnace, then cooling. Once cool, the resultant blocks are ground into fine particles before sieved or water-selected for further processing into various products such as grinding wheels, floor polishers, weld sanding discs, corrosion-resistant wear-resistant materials and coating/plastic modification power tools – even black and green versions depending on its raw materials used.


Silicon carbide is an exceptionally hard and long-wearing material. This long-term resilience enables its usage over prolonged periods, decreasing replacement frequency while providing substantial cost savings over time.

Silicon carbide abrasives are key to meeting the highest standards of quality in your work, and silicon carbide makes an excellent selection here. Their hardness allows them to tackle rough surfaces without damaging substrates while their durability ensures consistent and even finishes over the entire surface, which is essential when working on projects requiring high precision.

Silicon carbide sandpaper provides reliable performance even under challenging circumstances; unlike aluminum oxide which can chip or shatter during use. You can count on it for unwavering performance even in tough conditions.

Silicon carbide abrasives stand out as being one of the longest-wearing abrasives available, making them essential tools in any sandblasting business. Their lasting composition allows it to withstand frequent use under harsh conditions while withstanding heavy abrasion and temperature extremes, further underscoring their value as essential tools.

Silicon carbide sandpaper is an extremely efficient abrasive that can be utilized for various applications. Boasting a Mohs hardness rating of 9, which puts it nearly on par with diamond, silicon carbide boasts great wear resistance as well as chemical corrosion protection properties that make it suitable for everyday use.

Silicon carbide can be produced as either a powder or crystal and used extensively in the production of grinding wheels and other abrasive paper and cloth products. As an inorganic mineral product created at high temperatures from quartz sand (SiO2) combined with anthracite or petroleum coke as base raw materials, silicon carbide has different characteristics including low expansion coefficient, brittleness, thermal conductivity and good expansion coefficient values. It comes as either black or green silicon carbide with different features including its thermal conductivity being good thermal conductivity.

As much as silicon carbide sandpaper may be superior, its quality should never be overlooked when choosing it for sandpaper use. There are numerous cheaper abrasives on the market which chip or break off after only few uses, so when selecting your product it is vital that it provides a consistent and quality finish to your sandpaper surface.

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