HONSIN
Machinable Graphite

Enhanced strength and stability, effortless precision machining, prolonged tool life, dimensional accuracy, efficient heat dissipation.

An ideal choice for intricate manufacturing processes.

Our company has been operating in the refractory sector for high-temperature furnaces and industrial equipment, as well as technical ceramic materials, since 2005. It is located in Dalian, China. With a staff of 28 employees, the company is ISO9001 certified.

 

Special graphite is a remarkable material that encompasses a range of high-performance properties and characteristics, often referred to as three high graphite due to its exceptional strength, density, and purity. With its unique composition and structure, special graphite offers an array of benefits that make it highly sought after in various industries and applications.

 

One of the key strengths of special graphite lies in its outstanding thermal stability. Even when exposed to extreme temperatures of up to 3000 ℃ in an inert atmosphere, this remarkable material retains its structural integrity and performance, making it ideal for high-temperature environments. This remarkable thermal stability ensures that special graphite can withstand intense heat without compromising its properties, making it a reliable choice for applications where temperature resistance is critical.

The industries we serve

Photovoltaic and semiconductor

Driving advancements in renewable energy and electronics.

Vacuum furnace

For precise and controlled heat treatment processes.

EDM graphite electrodes

Precision tool that expertly sculpts material during electrical discharge machining (EDM).

3D hot bending glass molds

Shape glass into intricate three-dimensional forms.

Special graphite also possesses excellent cutting performance. Its composition allows for precise and clean cuts, making it an ideal choice for applications such as machining and manufacturing processes that require intricate shaping or precision cutting. This exceptional cutting performance ensures that special graphite can be used effectively in industries where accuracy and finesse are paramount.

 

Another notable advantage of special graphite is its low thermal expansion coefficient. This property is particularly valuable in applications where dimensional stability is crucial, as it helps prevent deformation and ensures the material maintains its shape and integrity under varying temperature conditions.

 

Moreover, special graphite exhibits impressive thermal conductivity, enabling efficient heat transfer. This property allows heat to be rapidly dissipated throughout the material, making it highly suitable for applications that require effective heat management. Additionally, its excellent electrical conductivity further enhances its utility in electrical and electronic industries, where the efficient flow of electricity is essential.

 

Furthermore, special graphite showcases excellent corrosion resistance, allowing it to withstand the corrosive effects of various chemicals and environments. This property makes it a durable and reliable choice for applications where exposure to harsh substances or corrosive elements is prevalent.

Methods of graphite production

EXTRUSION

VIBRO-MOULDING

ISOSTATIC PRESSING

Physical and chemical

Unit

TT-1

TT-2

TT-3

TT-4

Bulk density

g/cm³

1.8

1.85

1.88

1.92

Resistivity

μΩm

8.5

8.5

11-13

11-13

Thermal conductivity (100°C)

W/m·k

121.1

139.2

85

85

Thermal expansion coefficient

10-6/℃

5.46

4.75

5.6

5.85

Shore hardness

HSD

42

48

65

70

Bending strength

MPa

38

46

51

60

Compressive strength

MPa

65

80

115

135

Elastic Modulus

GPa

9

11.8

11

12

porosity

%

17

13

12

11

Ash

PPM

500

50

50

50

Graininess

μm

14-15

13

8-10

8-10

Machining capacity

RECTIFICATION

THREADING

POLISHING

DRILLING

MILLING

CNC

QUESTIONS?

Whether you’re curious about features or have a specific request, we’re here to answer any questions.

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