Specific uses of ultrafine white corundum
Ultrafine white corundum mainly refer to 0.5micron,1micron,1.5micron and 2microns white corundum.
White Corundum 2microns (mainly for pre-polishing)
1. Optics Industry: Pre-polishing of optical glass, K9 glass, quartz crystals, and prisms; removal of damaged layers from sapphire cover plates and LED sapphire substrates; pre-processing for fine grinding of mobile phone cover glass and LCD/OLED substrates.
2. Fiber Optic Communication: Intermediate grinding processes for fiber optic ceramic ferrules and fiber end faces; raw materials for fiber optic polishing films and polishing sheets.
3. Semiconductor & Hard & Brittle Materials: Fine grinding of alumina ceramic substrates and aluminum nitride substrates; pre-grinding for thinning the back side of silicon carbide wafers and silicon wafers.
4. Abrasive Products: Production of polishing films, polishing tapes, precision polishing paper, polishing paste, and polishing fluid; PVA polishing wheels and nylon polishing wheel fillers.
5. Precision Hardware: High-gloss pre-polishing of cemented carbide molds, tungsten carbide tools, and stainless steel precision parts; rough and fine polishing of watch parts and precious metals.
White Corundum 1.5micron(ultra-fine polishing transition)
1. Optical Components: Ultra-precision grinding of lenses, laser windows, crystals, and piezoelectric crystals; replacing some cerium oxide in semi-finished polishing of optical components.
2. Fiber Optic Industry: Pre-polishing of fiber optic connector end faces to reduce surface roughness and insertion loss; core raw material for fiber optic polishing sandpaper/polishing films (as you previously researched in Taiwan, which provides the corresponding raw materials).
3. Semiconductor Industry: Edge polishing of silicon wafers and compound substrates; precision grinding of ceramic packaging substrates and ceramic bearings.
4. High-End Polishing Consumables: High-end water-based/oil-based polishing fluids, mirror polishing pastes; flexible polishing films, precision coated abrasives.
5. Gemstone Processing: Fine polishing of sapphire, agate, and jade semi-finished products.
White Corundum 1 micron (nano-level low-damage polishing)
1. Ultra-precision optics: Final pre-polishing of microscope lenses, infrared optical lenses, and quartz resonators; low-haze polishing of optical prisms.
2. Optical communication: Fine polishing of fiber optic end faces to achieve Ra < 0.1μm; ultra-precision grinding of ceramic ferrule inner holes.
3. Semiconductors: Pre-treatment polishing of silicon carbide substrates and gallium nitride epitaxial wafers; mirror polishing of wafer fixtures and vacuum ceramic components.
4. Precision molds: Mirror polishing of plastic optical molds and lens molds to remove micro-scale EDM marks.
5. Functional powders: High-end wear-resistant coatings, thermally conductive fillers, and wear-resistant additives for ceramic glazes.
White Corundum 0.5mciron (finest, final polishing / top-grade functional filler)
1. Top-tier mirror polishing: Final polishing of sapphire crystal windows, high-end watch crystals, and micro-optical components; virtually no subsurface scratches.
2. Semiconductor precision manufacturing: CMP (chemical mechanical polishing) auxiliary abrasives; high-purity operating conditions, low metal ion contamination.
3. Highest-grade fiber optic end-face polishing: Final polishing of the end faces of special single-mode optical fibers and active device optical fibers.
4. Precision ceramics: Mirror polishing of zirconium oxide, alumina structural ceramics, and ceramic valve cores.
5. High-end filler applications: Teflon non-stick coatings, high-temperature and wear-resistant coatings, and fillers for electronic heat dissipation composite materials; improving film hardness, wear resistance, and whiteness.
White corundum 0.5/1/1.5/2microns can all work in following fields:
1) Coated/flexible abrasives
Manufacturing: polishing film, polishing film, optical fiber polishing disc, precision metallographic sandpaper, ultra-thin polishing abrasive belt, polishing cloth.
2) Polishing media: polishing fluid, abrasive paste, polishing wax
Aqueous optical polishing fluid, semiconductor polishing slurry
Mold mirror polishing paste, precious metal polishing paste
3) Electronic semiconductor industry chain
Precision grinding and polishing of silicon wafers, silicon carbide SiC substrates, sapphire substrates, AlN/Al₂O₃ ceramic substrates, piezoelectric crystals, ceramic ferrules, and semiconductor fixtures.
4) Optical industry chain
Fine polishing of optical glass, prisms, quartz, laser crystals, mobile phone camera covers, and display glass.
5) Precision metal processing
Mirror polishing of quenched steel, high-speed steel, carbide, titanium alloy, stainless steel, precision valves, and medical device parts.
6) Functional filler
Wear-resistant and anti-corrosion coatings, electronic thermal conductive composite materials, high-performance structural ceramics, ceramic glazes, and resin wear-resistant composite materials.
