Distributor of coated silicon carbide abrasives including belts, wheels, discs & sheets suitable for welding MRO production use such as stock removal deburring cleaning surface texturing etc.
Silicon Carbide, more commonly referred to as carborundum, is an inorganic chemical compound consisting of silicon and carbon that forms an extremely durable hard chemical material with wide bandgap semiconductor properties. Naturally occurring as moissanite mineral formations in nature, silicon carbide powder and crystal are mass produced as power devices requiring higher voltages, frequencies and temperatures.
Abrasive Sheets & Bands
Abrasive sheets and bands are consumables that provide effective abrasive surfaces for various machines. Featuring flexible cloth or paper backing with an abrasive grain covering an aluminum oxide or silicon carbide surface for processing materials like metals, glass, wood varnish composites as well as varnish applications. Ideal for processing soft metals such as brass while silicon carbide grains may help strip paint or finish from harder materials such as steel and iron.
Aluminum oxide abrasive grain, grit size and backing material determine its ideal application. Aluminum oxide’s sharp cutting edges enable rapid stock removal. Silicon carbide on the other hand is a long-wearing hard synthetic abrasive with friable texture which continues exposing new cutting edges as soon as it enters grinding process, increasing speed of grinding process significantly.
These abrasives come in different formats, including discs and belts. Coated or uncoated options may also be available – coated ones feature an adhesive which adheres to flexible polymeric or cloth backing; coated forms may also come equipped with an adhesive, such as disc bonded wheels, mass finishing (vibratory or tumbling), and sanding machines for application.
Angular Shaped Abrasive
Silicon carbide blasting media is a hard, angular blasting material which works effectively across various applications. It is capable of cutting through rust, soft surface contamination, mill scale and producing deep depth profiles on surfaces like Mild Steel with ease, producing an outstanding depth profile on such surfaces as Mild Steel. Silicon carbide comes in both angular and sub-angular forms which impact depth profiles differently when cleaning surfaces.
Silicon carbide blasting media is also very cost-effective, lasting longer than other blasting media due to its long angular shape and high density. Ideal for heavy rust and paint removal and often used as the final step in sandblasting to achieve smooth surface finishes, you’ll find silicon carbide available in sizes and grits from coarse to fine – its unique angular design gives it greater cutting capability than regular sandpaper for polishing surfaces.
Use it to sand glass, marble, cork, wood and metal with very little pressure, though it does struggle with harder materials like stainless steel and high-tensile bronze. Aluminum oxide should be combined for more demanding tasks such as rough sanding before final painting and rough sanding after final polish. Aluminum oxide also excels at removing rust from automotive parts, refinishing wood floors, deburring metal parts and smoothing the edges of glass while smoothing edges; making it an excellent option for rock tumbling.
Rubberized Abrasive
Cratex Rubberized Abrasives are constructed of premium-quality silicon carbide that has been washed, dried and treated to remove impurities, then screened to meet U.S. Department of Commerce standards for size. This makes them an excellent choice for light deburring, smoothing, cleaning and polishing applications on ferrous alloys as well as nonferrous materials – they work equally well when using suction-based or direct pressure blasting systems, offering less invasive action than shot blasting systems allowing working on sensitive electronic components without worry of accidental damage or contamination occurring accidentally during blasting processes.
Silicon carbide’s hardness makes it an excellent material for grinding applications. Furthermore, its cost and energy requirements for production are much less than with tungsten carbide production, plus its thermal conductivity makes it more thermally conductive with reduced thermal expansion than other ceramic materials.
Abrasives come in all sorts of shapes, sizes and materials – natural ones such as sandpaper and emery cloth can be found among them, while synthetic forms include sandblasting media, grinding wheels and abrasive belts. Your choice depends on what application and level of precision is necessary; aluminum oxide makes for an excellent all-purpose abrasive option with various grit sizes from coarse to fine available; other possibilities include coke, coal slag staurolite and silicon carbide.
Metal Finishing Media
Your choice of metal finishing media depends on the desired finish and deburring that needs to be accomplished. Tumbling media combines abrasives with binders for a smooth finish on small parts. Available in triangles, stars, cones, tetrahedral structures and pyramid shapes, this media fits easily in tight spaces for light deburring or removal of rust as well as light scratches from ferrous metals.
Brown aluminum oxide offers another viable choice with its coarse mesh size and long lifespan; its hardness enables shorter blast times compared to soft medias, and can even be reshaped to get into areas that may be hard to reach. Ideal for soft materials like fiberglass, stone, glass and plastics (it has the capacity for deep etching surfaces too), brown aluminum oxide is often chosen by businesses needing to restore products back into working condition after refurbishing processes have taken place.
Organic finishing media such as walnut shells or crushed corn cobs provide an affordable and eco-friendly option for finishing metal parts. Used most commonly in vibratory finishers for burnishing and polishing softer metals, the organic media will absorb oils and moisture from your parts so they dry faster while increasing corrosion resistance.
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