Self-Lubricant and Resin Impregnation Molded Carbon Graphite Block

• Type: Graphite Block
• Composition: Artificial Graphite
• Carbon Content: High-Carbon
• Grade: Industrial Grade
• Forming Way: Isostatic Graphite
• Crystal Morphology: Compact Crystalline Graphite
• Model NO.: Graphite lubricant
• Average Grain Size: 8-25 Micron
• Bending Strength: 35-55 MPa
• Bulk Density: 1.80-1.90 g/cm3
• Shore Hardness: 45-75
• Ash Content: 300-800ppm
• Application: Sintering Mold, EDM
• Transport Package: Wooden Case or as Customer Demand
• Specification: Dimension as your demand
• Trademark: xs
• Origin: China
• HS Code: 3801100090
• Production Capacity: 5000ton/Month

Product Description

Graphite Block /Round Or custom Drawing

Product name	Graphite Block
Bulk Density	1.70 - 1.85 G/cc
Compressive Strength	30 - 80MPa
Bending Strength	15 - 40MPa
Shore hardness	30 - 50
Electric Resistivity	<8.5 u.m
Ash (Normal Grade)	0.05 - 0.2%
Ash (purified)	30 - 50ppm
Grain Size	0.8mm/2mm/4mm
Dimension	Various sizes or customized

 

The types of the graphite block:

 According to the shape, we have square block and round block

 According the size, we can produce all kinds of size as our customers' requirements.

Typical sizes:

Block (mm): 400x400x1800; 500x500x1950, 500x330x1950, 500x430x1950, 520x350x2150, 630x630x2200, 600x500x2200, 820x340x2100, 520x350x2600, 1100x11000x350

Physical and chemical index

Item	Unit	Grade
Max Grain Size	mm	0.8	0.8	2	2	4	4
Bulk Density	g/cm³	≥1.70	≥1.73	≥1.58	≥1.70	≥1.57	≥1.69
Specific Resistance	µΩ.m	≤8.5	≤8.0	≤11.5	≤8.5	≤11.5	≤8.5
Flexural strength	Mpa	≥10.0	≥12.0	≥6.0	≥9.0	≥6.5	≥9.5
Compressive Strength	Mpa	≥24.0	≥31.0	≥18.0	≥30.0	≥17.5	≥29.0
Thermal Conductivity	W/(m.K)	≥120	≥130
C.T.E(100-600)ºC	10-6/°C	≤2.5	≤2.5	≤2.5	≤2.5	≤2.5	≤2.5
Ash Content	%	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3

 

Item	Unit	OZIM-1	OZIM-2	OZIM-3
Grain	mm	≤325mesh	≤325mesh	≤325mesh
Bulk density	g/cm³	≥1.68	≥1.78	≥1.85
Specific resistance	µΩ.m	≤14	≤14	≤13
Flexrual strength	Mpa	≥25	≥40	≥45
Compressive strength	Mpa	≥50	≥60	≥65
Ash content	%	≤0.15	≤0.1	≤0.05

 

Isostatic graphite 

Item	Unit	Domestic  material	Import  material
Bulk dengsity	g/cm³	1.8-1.85	1.92
Specific resistance	μΩ.m	≤15	10
Flexrual strength	Mpa	≥40	63.7
Compressive strength	Mpa	≥85
Thermal conductivity	W/(m.k)		128
Ash content	%	≤0.03
C.T.E(100-600)°C	10-6/°C	4.0-5.2	5.5
Shore hardness		≥65	68

Application:

1. Refractory material:

Widely used in the metallurgical industry. 

2. Conducting material:

In the electronics industry, widely used for graphite electrode, brush,, etc 

3. Wear-resisting material and lubricant:

Use graphite as wear-resisting and lubrication materials, can be 100m/s speed sliding in - 200 ~ 2000 °C temperature range, no or less lubricanting oil. 

4. Sealing material:

 It can be as sealing ring in the equipment, such as centrifugal pump, hydraulic turbine ,etc. 

5. Anticorrosion material: 

Widely used in petroleum, chemical, hydrometallurgy departments.  

6. Protection materials:

Insulation, high temperature resistant, radiation  

7. Furnace parts:  

resistance heating elements, induction susceptor, structural elements and charging plates, furnace linings, heat shields and covers for pulling monocrystalline silicon or optical fibers, etc. 

8. Anodes for the electrolysis of metals.

9. Parts for heat exchangers. 

Application industry 

Molds in continuous casting systems for making shaped steel, cast iron, copper
Sintering molds for cemented carbides, diamond tools and electronic components
Molds for making shaped glass
Crucibles for melting precious metals or alloys
Electrodes for EDM
Heating elements, heat shields, crucibles, boats in furnaces for pulling monocrystalline silicon or optical fibers
Anodes for production of manganese dioxide, metallic magnesium & rare metals and etc.
 

Programmable properties

Fine grain
Homogeneous structure
Isotropic properties
High density and high mechanical strength
High thermal and chemical resistance
High resistance to thermal shock
Proper electrical conductivity
High oxidation resistance
Low ash

Package
The finished high-purity graphite is placed in a wooden box after packaged with moisture-proof paper or a plastic bag, and should be marked with "Fragile, Keep Dry".








Others:

1. Graphite plate and grid plate for emission electron tube, thyratron and mercury arc rectifier
2. Graphite boat container, crucible and heating element for semiconductor technology, and heater for single crystal furnace
3. Graphite container for metal gasification, mold for continuous casting, graphite mold plate for pressure sintering, graphite electrode for electrical discharge machining, etc.