New Arrival China Block Graphite - Cathode Carbon Block – Qifeng
New Arrival China Block Graphite - 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:
High quality Initial,and Buyer Supreme is our guideline to offer the ideal assistance to our shoppers.At present, we are striving our best to become amongst the ideal exporters inside our industry to satisfy shoppers more want for New Arrival China Block Graphite - Cathode Carbon Block – Qifeng, The product will supply to all over the world, such as: Finland, Canada, United Arab emirates, We supply professional service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost. Depending on this, our products are sold very well in the countries in Africa, the Mid-East and Southeast Asia. Adhering to the business philosophy of ‘customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.
The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.

