Manufactur standard Graphite Blocks For Electrical Discharge - Cathode Carbon Block – Qifeng
Manufactur standard Graphite Blocks For Electrical Discharge - 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:
With a complete scientific quality management system, good quality and good faith, we win good reputation and occupied this field for Manufactur standard Graphite Blocks For Electrical Discharge - Cathode Carbon Block – Qifeng, The product will supply to all over the world, such as: Irish, Bandung, Gambia, We aim to become the modern enterprise with the commercial ideal of "Sincerity and confidence" and with the aim of "Offering customers the most sincere services and best quality products". We sincerely ask for your unchanged support and appreciate your kind advice and guidance.
By Gabrielle from Belarus - 2017.10.25 15:53
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
By Agustin from Kenya - 2018.09.08 17:09
