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GR0189 Graphite Heater

Catalog No. GR0189
Material High density graphite
Color Black
Dimensions Customized
Grain Size 25-45 μm

The graphite heater is the electric heating body parts made of graphite materials. Graphite has good electrical and thermal conductivity, and it is commonly used in the special industrial furnace as a heating element. Stanford Advanced Materials (SAM) is a leading supplier of Graphite heater, Graphite thermal shield, Graphite Crucible, Graphite tray.

Related products: Graphite MoldGraphite Electrode for EDM, Graphite Rod

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Graphite Heater
Graphite Heater
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Graphite Heater
Graphite Heater
Description
Specification
Technical Data Sheet

Graphite Heater Description

The graphite heater is the electric heating body parts made of graphite materials. Graphite has good electrical and thermal conductivity, and it is commonly used in special industrial furnaces as a heating element. The graphite heater has good high-temperature strength, the strength of graphite is far worse than metal at normal temperature, but as the temperature increases, the strength gradually increases and it will exceed all oxides and metals. the graphite has some properties of metals and ceramics, with good electrical and thermal conductivity, and a pupil and a small thermal expansion coefficient, so the graphite is one of the best thermal shock resistance of materials.

Graphite Heater Specification

Property

Unit

HD-1

HD-2

HD-3

Particle Size

-

25-45 μm

25-45 μm

25-45 μm

Electrical Resistivity

μΩ·m

≤12

≤12

10-12

Bulk Density

g/cm³

≥1.78

≥1.82

1.85-1.90

Compressive Strength

MPa

60

65

85-90

Flexural Strength

MPa

≥30

≥35

38-45

Ash Content (Max)

% / ppm

250-1000 ppm

250-1000 ppm

150-800 ppm

Thermal Expansion Coefficient

(100-600°C)

(Max)

×10⁻⁶/°C

4.5

4.5

3.5-5.0

Thermal Conductivity

W/m·K

160-250

160-250

160-250

Graphite Heater Benefits

  • Low wettability to molten metals 
  • Fine-grain
  • High density
  • Homogeneous structure
  • High mechanical strength
  • Excellent thermal conductivity

Graphite Heater Application

The graphite heater requirements generate a stable thermal field used in the heating furnace, so the graphite should be homogeneous and has stable resistivity. The graphite electrode was the heating body in the early selection of industrial furnace, and the high density and power electrode was used as heating element later (smelting quartz glass also used graphite electrode as the heating element). In the semiconductor industry development and refining silicon, single crystal germanium, gallium, indium, indium, and other materials, the high-purity graphite with fine structure and homogeneous graphite were used as graphite heating in the heating furnace. The carbon cloth or graphite cloth were used in some special industrial furnace and experimental furnace as the heating body.

Graphite Heater Packing

Our Graphite Heater is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

Graphite Heater FAQs

Q1: What is the maximum temperature a Graphite Heater can withstand?

A1: Graphite heaters can typically withstand temperatures up to 3000°C (5432°F), depending on the grade of graphite and specific design. This makes them ideal for the most demanding high-temperature applications.

Q2: Can Graphite Heaters be used in vacuum or inert gas environments?

A2: Yes, graphite heaters are commonly used in vacuum chambers or inert gas environments (such as nitrogen or argon) for processes that require controlled atmospheres, such as in materials science or semiconductor production. Graphite is stable in these conditions and maintains its heating efficiency.

Q3: Can Graphite Heaters be customized in size and shape?

A3: Yes, we provide custom graphite heaters designed to meet specific size, shape, and electrical resistance requirements. Whether you need a unique heating element for a specialized application or custom dimensions to fit your equipment, we can tailor the heater to your needs.

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