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Needle coke is a high-purity type of petroleum coke produced from selected low-sulfur, aromatic petroleum oils (e.g., decant oil or FCC decant oil), characterized by:
يُستخدم بشكل أساسي في صناعة أقطاب الجرافيت (Graphite Electrodes) الخاصة بأفران القوس الكهربائي في مصانع الحديد والصلب. سُمي "Needle" لأنه يظهر تحت المجهر على شكل بلورات طويلة تشبه الإبر، ما يمنحه قوة حرارية وموصلية أعلى.
Property | Typical Value |
---|---|
Fixed Carbon | ≥ 99.0% |
Sulfur | ≤ 0.3% |
Ash | ≤ 0.1% |
Moisture | ≤ 0.5% |
Form | Black chunks or granules – needle-like structure |
Apparent density | 0.8 – 1.0 g/cm³ |
Electrical conductivity | Very high |
Thermal expansion | Very low – important for electrode production |
Item | Needle Coke | Sponge Coke |
---|---|---|
Structural shape | Needle-like crystals | Irregular porous surface |
Use | Graphite electrodes and batteries | Aluminum anodes and fuel |
Purity | Higher (99%+) | Relatively lower (~85–95%) |
Price | Much more expensive | Cheaper |
Form | Packaging |
---|---|
Bulk | In open carriers |
Jumbo Bags | 1000 kg/bag |
20-foot containers | Up to 20 tons depending on shape and size |
At Gopix Global Trading, we provide you with:
Request a needle coke price quote now:
Email: info@gopixtrade.com
WhatsApp: +966504275259
One of our specialized consultants will contact you within 24 hours:
Gopix – your smart partner in industrial carbon and advanced materials trade.