OEM Supply Hot Sale Graphite Molded Block - Cathode Carbon Block – Qifeng
OEM Supply Hot Sale Graphite Molded Block - Cathode Carbon Block – Qifeng Detail:
Quick Details:
Product Name: Cathode carbon block
Brand Name: QF
Resistance (μΩ.m): 9-29
Apparent Density (g/cm³ ): 1.60-1.72
Flexural Strength (N/㎡): 8-12
Color: Black
Material: high quality petroleum coke and needle coke
Size: as customer requirement
Application: Electrolytic aluminum
real density: 1.96-2.20
ASH: 0.3-2
sodium expansion: 0.4-0.7
Packaging Description: Packing with wooden cases and steel belt.
Specification
Specifications | Unit | Test method |
Value |
|||
30%GraphiteAddad | 50%Graphite Added | Graphitic Grade | Graphitized Grade | |||
Real Density | g/cm | ISO21687 | ≥1.98 | ≥1.98 | ≥2.12 | ≥2.20 |
Apparent Density | g/cm | ISO12985.1 | ≥1.60 | ≥1.60 | ≥1.62 | ≥1.62 |
Open Porosity | % | ISO12985.2 | ≤16 | ≤16 | ≤18 | ≤20 |
Total Porosity | % | ≤19 | ≤19 | ≤23 | ≤27 | |
Compressive Strength(or Cold Crushing Strength) | MPa | ISO18515 | ≥26 | ≥26 | ≥26 | ≥20 |
Flexural Strength | MPa | IS012986.1 | ≥7 | ≥7 | ≥7 | ≥7 |
Specific Electrical Resistivity | uom | ISO11713 | ≤35 | ≤30 | ≤21 | ≤12 |
Thermal Conductivity | W/mk | IS012987 | ≥13 | ≥15 | ≥25 | ≥100 |
Coefficient of Linear Thermal Expansion | 106/K | ISO14420 | ≤4.0 | ≤4.0 | ≤4.0 | ≤3.5 |
Ash Content | % | ISO8005 | ≤5 | ≤3.5 | ≤1.5 | ≤0.5 |
Sodium Expansion(or Rapoport Swelling or Swelling by Alkali) | % | ISO15379.1 | ≤0.8 | ≤0.7 | ≤0.5 | ≤0.4 |
Contact Us
Handan Qifeng Carbon Co., Ltd.
Wechat&WhatsApp: +86-13730413920
Email: Judy_graphite@163.com
Website: https://www.qfcarbon.com
https://qifengcarbon.en.alibaba.com
Product detail pictures:



Related Product Guide:
To become the stage of realizing dreams of our employees! To build a happier, much more united and far more professional team! To reach a mutual profit of our clients, suppliers, the society and ourselves for OEM Supply Hot Sale Graphite Molded Block - Cathode Carbon Block – Qifeng, The product will supply to all over the world, such as: European, Brasilia, Uzbekistan, Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.

Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
