OEM manufacturer Large Graphite Block - Cathode Carbon Block – Qifeng

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We've one of the most innovative manufacturing devices, experienced and qualified engineers and workers, recognized good quality handle systems and also a friendly experienced income team pre/after-sales support for High Density Graphite Blocks, Steel Making Graphite Electrodes, Eaf Graphite Electrodes, We sincerely welcome close friends to barter company and start cooperation with us. We hope to affix hands with mates in different industries to make a excellent future.

OEM manufacturer Large Graphite Block - Cathode Carbon Block – Qifeng Detail:

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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
Specifications	Unit	Test method	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

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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

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Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for OEM manufacturer Large Graphite Block - Cathode Carbon Block – Qifeng, The product will supply to all over the world, such as: azerbaijan, Poland, Cambodia, We've more than 10 years exported experience and our products and solutions have expored more than 30 countries around the word . We always hold the service tenet Client first,Quality first in our mind,and are strict with product quality. Welcome your visiting!

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