Skip to content

Black Silicon Carbide (Sic)

Black silicon carbide (Sic) has become a mainstay in many blasting operations due to its durability and versatility; it can be utilized both direct-pressure systems as well as suction-based ones.

Longevity reduces replacement needs, saving both time and money, while it’s easily recyclable into new raw materials – closing the loop for sustainability.

Hardness

Silicon carbide (aka Carborundum ) is an extremely hard, wide bandgap semiconductor material commonly used as an abrasive. While naturally found as moissanite mineral, mass production began in 1893 as powder and crystal for mass use as an abrasive. Through sintering process it can also form extremely hard ceramics like cemented carbide, widely utilized industrial applications for its hardness and durability.

Hardening of abrasive grains takes place through hot pressing or sintering, an intense heating and pressure process which creates their high degree of hardness, making sic abrasives so effective at grinding and cutting materials. When combined with bonding agents such as resin or vitrified clay, hardened grains make durable yet efficient blast media.

Zirconium corundum, created through e-fusion of high-purity aluminum oxide and specialty dopants, offers an ideal combination of toughness and sharp cutting facets. Due to its crystalline structure, grains self-sharpen as they’re sanded – each stroke providing fresh sharp cutting edges; thus minimizing wear while prolonging grain lifespan significantly, thus cutting cost.

Black silicon carbide abrasive stands out as another such material, boasting metallic luster and 97% pure SiC. It is extremely hard, resistant to abrasion, and remains strong even at higher temperatures compared to ceramic materials.

Recyclability

Silicon Carbide’s hardness and toughness allow it to be utilized effectively for abrasive blasting applications, making it an extremely cost-efficient material across a variety of fields. Furthermore, due to its high thermal stability and wear resistance properties, silicon carbide makes an excellent coating and lapping material as well. Recycling it through compressed air blasting cabinets or wheel blast machines typically allows it to be reused many times over.

Silicon Carbide can be found in both bonded and coated abrasives, including blasting equipment, as well as in sandpaper, grinding wheels and cutting tools – offering exceptional durability and performance in these applications. Silicon Carbide abrasives have proven indispensable tools in industries including construction, welding and metallurgy due to its versatility.

Silicon carbide abrasive media is commonly used for glass etching by producing controlled etches and frosts on its surface, as well as wood sanding to prepare surfaces for finishing or coating, using various grit sizes from fine to coarse grits. Furthermore, silicon carbide polishing tools have long been utilized by professionals as an efficient means to polish stonework or masonry surfaces.

Coated abrasives are attached to their paper or fabric backing by an adhesive bond that varies according to application and requirements; generally speaking, softer bonds tend to be better for more delicate applications, while harder ones might be required for more demanding ones.

Flexibility

Silicon carbide is an extremely durable material with many applications. Most commonly found as an abrasive for grinding metals, but can also be found in ceramic films, structural materials, astronomy, disc brakes and clutches. Silicon carbide comes in all different shapes, sizes and chemical compositions depending on its application.

Sic abrasive is an ideal choice for blasting on soft materials such as glass, stone and marble, fiberglass and plastics. Its narrow sharp edges create quick surface finishes quickly while being reused multiple times during shorter blast cycles for shorter blast cycles on these softer materials. While aluminum oxide may wear faster on such materials than sic abrasive which has greater durability to handle longer blast cycles on harder materials.

Navarro produces various forms of aluminum oxide abrasives for various uses, from coatings and coating applications, grit/shot blast systems and coated abrasives, to macro and micro grains produced according to FEPA, ANSI or JIS standards as well as coated discs/wheels/cloth used on discs, wheels and cloth. With its thermal stability and resistance to chemical attack it provides ideal properties for HVOF gun systems as well as wet or volatile environments as it does not produce static electricity that could spark sparks.

Safety

Silicon carbide is an extremely hard material, making it the ideal abrasive for grinding, cutting and polishing applications. Its Mohs hardness falls somewhere between diamond and corundum while possessing more mechanical strength than either. Therefore, silicon carbide makes an excellent choice for use on ceramics, glass, granite and non-ferrous metals like aluminum, brass and copper – ideal for grinding, etching and polishing many materials including ceramics, glass granite ceramics.

Abrasive blasting can provide an efficient, eco-friendly means of cleaning surfaces and prepping them for recoating. Silicon carbide abrasives are safe in wet or volatile environments and don’t produce static electricity, thus lowering fire or explosion risks. Furthermore, their particles resharpen themselves automatically to save on costly reblasting costs.

Washington Mills offers CARBOREX, an industrial sic macrogrits, microgrits and powders engineered to meet stringent chemical, particle size distribution and conductivity standards for technical ceramic applications. Furthermore, these abrasives are commonly used as blasting media in both direct-pressure and suction-based blast systems for general residue and corrosion removal, whether with friable or nonfriable grains – either way providing long-wearing value for investment! Both aerospace and automotive industries depend upon CARBOREX to hone, lapping and polish various components in order to achieve precise dimensions and smooth finishes on various components that need precision dimensions and smooth finishes – perfecting components before honing and polishing components to achieve precise dimensions with smooth finishes while honing lapping or polishing various components to achieve precise dimensions with smooth finishes on various components with precise dimensions and smooth finishes on all components used.

en_USEnglish