CPC Synthetic Graphite Granule Low Sulfur 0.05% CPC Artificial Graphitized Petroleum Coke for Gray Cast Iron Industry

Product Description

Product Overview

Xingshi calcined petroleum coke (CPC) with 98.5% fixed carbon ensures high conductivity and low impurity for aluminum smelting anodes, reducing production cost!

Low Sulfur CPC (98.5%)- 

Production process
Raw material selection: Low sulfur petroleum coke (sulfur content<1.5%) is preferred, as excessive sulfur content can affect the quality of downstream products (such as the purity of electrolytic aluminum).
Calcination process:
In a vertical calcination furnace or rotary kiln, petroleum coke is heated to 1200-1500 ℃ under isolated air conditions.
Key reactions:
The volatile components (H₂, CH₄etc.) further precipitate, and the content decreases from 8% -15% of the coke to below 1%.
The carbon structure is rearranged to form tighter graphitized microcrystals, improving electrical and thermal conductivity.
Cooling and crushing: The calcined coke is cooled by water or air cooling and crushed to the desired particle size (such as 0-10mm, 10-20mm).

Calcined Petroleum coke is a carbon material formed by high-temperature calcination (1200-1500 ℃) of petroleum coke (a byproduct of oil refining) to remove volatile matter and moisture. Its essence is to convert low purity raw coke into structurally stable and performance optimized calcined coke through physical and chemical reactions, which is widely used in high-end fields such as electrolytic aluminum, graphite electrodes, and lithium batteries.

Technical Data

Product Grades: CPC-98 | CPC 98.5| CPC-99 | CPC-99.5

Chemical Composition:

Parameter	CPC 98	CPC-99	CPC-99.5	Test Method
Fixed Carbon	≥98%/98.5%	≥99%	≥99.5%	ASTM D3172
Sulfur Content	≤0.8%	≤0.5%	≤0.3%	ASTM D4239
Ash Content	≤1.2%	≤0.8%	≤0.5%	ASTM D3174
Volatile Matter	≤0.5%	≤0.3%	≤0.2%	ASTM D3175
Moisture	≤0.5%	≤0.3%	≤0.2%	ASTM D3173

Physical Properties

Parameter	Value	Test Method
Bulk Density	0.8-1.0 g/cm^3	ISO 9034
Real Density	2.05-2.15 g/cm^3	ASTM D2638
Particle Size	325mesh- 15mm( Customizable)	ASTM E11
Electrical Resistivity	500-800 μΩ·m	ASTM D6120

Features & Advantages

Calcined Petroleum Coke (CPC) – Features & Advantage

1. Key Features 

≡High Fixed Carbon (98–99.5%)– Ensures superior conductivity and carbon yield in industrial processes.

≡Low Sulfur (0.3–0.8%) – Minimizes pollution and improves metal quality in aluminum/steel production.

≡Low Ash (0.5–1.2%) - Reduces impurities in end products (e.g., anode blocks, refractories).

≡Controlled Particle Size (0.5–25mm) – Customizable for optimal performance in carburizing or anode paste.

≡High Thermal Stability – Withstands temperatures up to 1,500°C without degradation.

2. Competitive Advantages

Cost-Effective

· Replaces premium carbon additives (e.g., graphite) at 30–50% lower cost while maintaining performance.

Process Efficiency

· Faster Carburization:  Uniform particle size ensures rapid dissolution in molten metal (steel/iron).

· Reduced Energy Use: Low volatile matter (≤0.5%) cuts furnace energy consumption.

Custom Solutions

· Tailored blends for specific needs (e.g., ultra-low sulfur for Li-ion battery anodes).

Reliable Supply

· Vertical integration from raw coke to calcined product ensures stable quality and volume.

· Strategic stock for fast delivery.

 

Applications

Classification and typical applications of Calcined Petroleum Coke- How to Choose Calcined Petroleum Coke?

Aluminum Smelting: Anode blocks, carbon paste.

Steelmaking: Carburizer for EAF/LF furnaces.

Titanium Dioxide: Chlorination process.

Lithium Batteries: Synthetic graphite precursor.

Calcined coke for electrolytic aluminum:

Features: Sulfur content<1.0%, true density>2.08 g/cm ³, used for producing pre baked anodes (core consumables for electrolytic aluminum).
Application: 90% of the global calcined coke is used in the electrolytic aluminum industry, with a consumption of approximately 500kg of calcined coke per ton of electrolytic aluminum.

Calcined graphite electrode:
Characteristics: Sulfur content<0.5%, volatile matter<0.8%, requiring further processing into needle coke (high-end graphite electrode raw material).
Application: Ultra high power graphite electrodes for electric furnace steelmaking, with a single cost of over 100000 yuan, relying on imported high-end calcined coke.

Calcined coke for lithium batteries:
Emerging field: Improving the energy density of lithium batteries by modifying them as negative electrode material additives

Packaging & Logistics

Packaging Details 

 

1. Packaging Options:

We offer flexible packaging solutions to ensure safe transit and meet diverse client needs:

Standard Packagings:
√25 kg PP/PE Bags (Moisture-proof, with inner liner if required).

√1 Ton Jumbo Bags (Dimensions: 90×90×110 cm, ±2% weight tolerance).

Customization Available

Palletized bags (20 bags/pallet, shrink-wrapped).
√ Bulk vessel loading (for orders above 500 MT).

Logistics & Shipping

Export Standards:
√ FOB/CIF/CFR terms (Incoterms 2020).
√ Container Types: 20GP (≈20-22 MT) / 40HQ (≈26 MT).

Lead Time:

√ 10-15 days after order confirmation (for standard grades).
√ Urgent orders: Negotiable with priority production.

  

  

Why Choose Us- Xingshi Carbon

Xingshi supply calcined petroleum coke with comprehensive specifications available!

1. Unmatched Expertise
√ 15+ Years Specialization in graphite and carbon solutions, serving 500+ global clients across 30+ countries.
√  In-House R&D Team developing customized formulations (e.g., low-sulfur CPC, high-purity graphite).

2. Rigorous Quality Control

√ ISO 9001 & ISO 14001 Certified production facilities.

√ Batch Testing: Every shipment comes with SGS/BV test reports (fixed carbon, sulfur, ash content) even, quantity and loading supervision.

3. Competitive Edge:

Cost Efficiency: Vertical integration (from raw material to finished product) ensures best pricing.

Fast Turnaround:10-15 days lead time for standard orders (urgent requests accommodated).

4. Global Logistics Network:

√ FOB/CIF/DDP terms with reliable partners (Maersk, DHL, FedEx).

√Strategic Stock: Pre-positioned inventory  for faster delivery.

5. Customer-Centric Solutions

√Free Samples: Test material suitability before bulk orders.

√OEM Support: Custom sizes, packaging, and technical specifications.

6. Sustainable Practices

Eco-Friendly Processing:  Closed-loop recycling system reduces waste.

Factor	Xingshi Carbon
Purity Consistency	±0.3% tolerance on fixed carbon
Technical Support	24/7 multilingual engineers
Customization	Tailored blends in 5-10 working days