100% Original Refractory Carbon Blocks - Cathode Carbon Block – Qifeng

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As for competitive prices, we believe that you will be searching far and wide for anything that can beat us. We can state with absolute certainty that for such quality at such prices we are the lowest around for Carbon Addition To Steel, High Pure Graphite Rod, Graphite Sheet Electrode, "Quality first, Price lowest, Service best" is the spirit of our company. We sincerely welcome you to visit our company and negotiate mutual business!

100% Original Refractory Carbon Blocks - 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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"Based on domestic market and expand overseas business" is our development strategy for 100% Original Refractory Carbon Blocks - Cathode Carbon Block – Qifeng, The product will supply to all over the world, such as: Philippines, Congo, Macedonia, We always insist on the management tenet of "Quality is First, Technology is Basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.

The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.