Abrasive · Refractory · Metallurgical Grades
碳化硅 · Carborundum · Black & Green SiC
Mohs 9.5 · Hardest common industrial abrasive after diamond
Silicon carbide is produced in an Acheson furnace from silica sand and petroleum coke. With a hardness of Mohs 9.5, high thermal conductivity and chemical inertness, SiC serves three industries at once: abrasives, refractories and metallurgy.
Silicon carbide (SiC), historically called carborundum, is one of the most versatile synthetic minerals in industry. Produced by reacting silica sand with petroleum coke at ~2000 °C in an Acheson furnace, it forms hard (Mohs 9.5), sharp, thermally conductive and chemically inert crystals.
Two grades dominate. Black SiC (≥ 97%) is tougher and used for abrasives on non-ferrous metals, stone and ceramics, and as a refractory and metallurgical material. Green SiC (≥ 99%) is purer and more friable, preferred for precision grinding of carbide tooling, semiconductor/PV wire-sawing and fine technical ceramics.
In metallurgy, SiC briquettes act as a combined deoxidizer and carbon/silicon source in steelmaking and foundry ladles — an efficient alternative to separate ferrosilicon and carbon additions. Global Vista supplies abrasive, refractory and metallurgical SiC from smelters in Ningxia, Gansu and Qinghai.
* Values are indicative typical/guaranteed figures and can be tailored to your specification. A Certificate of Analysis (COA) is delivered with every shipment; third-party inspection (SGS / Bureau Veritas / Intertek / CIQ) available on request.
Abrasive (coarse)
Grinding wheels, cutting discs and blasting for non-ferrous metal, stone and glass.
Common: abrasives
Precision
Carbide tool grinding, lapping, PV/semiconductor wire-sawing and fine ceramics.
Common: precision / PV
Refractory
Castables, kiln furniture, crucibles, DPF supports and saggers.
Common: refractories
Metallurgical
Combined deoxidizer + Si/C source for EAF steel and iron foundry ladles.
Common: deoxidizer
Grinding wheels, cut-off discs, sandpaper and lapping compounds for non-ferrous metals, cast iron, stone, glass and ceramics.
Castables, ramming masses, kiln furniture, crucibles, saggers and diesel particulate filter (DPF) supports — excellent thermal shock resistance.
SiC briquettes deliver silicon, carbon and deoxidation in one addition to EAF steel and ductile/grey iron ladles, improving yield and slag chemistry.
Wear parts, seals, nozzles, armour and heating elements that exploit SiC hardness, conductivity and high-temperature strength.
Green SiC micro-powder for wire-sawing silicon ingots and for fine semiconductor-grade lapping.
Sharp, fast-cutting blasting and lapping abrasive for hard surfaces and precision finishing.
Lot-traceable chemical and physical analysis with every shipment.
SGS, Bureau Veritas, Intertek or CIQ pre-shipment inspection on request.
Pre-shipment sample for your lab verification before bulk order.
Grade and granulometry tailored to your process, not sold as a generic commodity.
Tianjin Xingang · Qingdao · Shanghai
25kg PP bags (palletized), 1 MT jumbo bags, or briquettes in jumbo bags. Bulk available.
FOB, CIF, CFR, DAP available.
T/T or irrevocable L/C at sight. USD / EUR / JPY settlement.
15–25 days from order confirmation to vessel sailing.
Black SiC (≥ 97%) is tougher and lower cost, used for abrasives on non-ferrous metals/stone, refractories and metallurgy. Green SiC (≥ 99%) is purer, harder and more friable, used for precision grinding of carbide tools, PV/semiconductor wire-sawing and fine ceramics.
Yes. SiC briquettes (typically 88–92% SiC) provide silicon, carbon and deoxidation in a single ladle addition for EAF steel and iron foundries. They reduce FeO in slag, recover metal yield and can partly replace ferrosilicon plus a separate carbon source.
Abrasive grits FEPA F12–F1500 plus micro-powder; refractory lump 0–1, 1–3, 3–5 and 0–10mm; and metallurgical briquettes. Custom sizing for orders ≥ 100 MT.
Yes. Silicon carbide is Mohs 9.5 versus Mohs 9 for fused alumina, making it the harder, faster-cutting abrasive — particularly effective on hard, brittle materials like cast iron, stone, glass and carbide.
Trial orders from 20 MT. Production orders typically 50–500 MT. Annual contracts available for refractory, abrasive and steel-mill buyers.
Yes. A Certificate of Analysis ships with every lot and a sample can be provided for verification. SGS/BV/Intertek inspection available on request.
Specify your grade/size, quantity and destination port — we respond within one business day with FOB China and CIF quotes.