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

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"Quality 1st, Honesty as base, Sincere company and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for Graphite Carbon Electrodes Electric Arc Furnace, Carbon Addition In Ductile Iron, Green Delayed Petroleum Coke, Now we have experienced manufacturing facilities with extra than 100 employees. So we could guarantee short lead time and high quality assurance.

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: Juventus, Southampton, moldova, Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

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 Miranda from Lahore - 2017.09.30 16:36

The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.

By Mike from Ecuador - 2018.02.12 14:52