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Graphite heater vacuum elements
Product introduction
Graphite heaters are commonly used as heating elements in vacuum systems. When selecting graphite heater vacuum elements, it is important to consider factors such as the required temperature range, power density, dimensions, heating uniformity, and the specific requirements of your vacuum system.
Specifications of vacuum elements graphite heater
Technical Specification |
YG-4 |
YG-5 |
YG-6 |
Volume Density (g/cm³) |
≥1.75 |
≥1.85 |
≥1.90 |
Electric Resistivity (μΩm) |
10-13 |
8-10 |
8-9 |
Thermal Conductivity(100℃) W/m.k |
121.1 |
139.2 |
140 |
|
Coefficient Thermal Expansion (Indoor temperature- 600℃) |
5.46 |
4.8 |
4.5 |
Shore Hardness HSD |
42 |
48 |
53 |
Flexural Strength Mpa |
38 |
48 |
55 |
Compressive Strehgth Mpa |
65 |
85 |
95 |
Elasticity Modulus Gpa |
9 |
11.8 |
12 |
Gas Hole Ratio % |
17 |
13 |
11 |
Ash content PPM |
500 |
500 |
/ |
Granularity (μm) |
13-15 |
13-15 |
8-10 |
Features of graphite heater elements
1. High temperature resistance
2. Good oxidation resistance
3. high mechanical strength
4. Good self-lubricating property
5. Chemical corrosion resistance
6. Homogeneous structure,low permeability
Applications of vacuum elements graphite heater
Graphite heater vacuum elements are commonly used in applications like vacuum furnaces, vacuum brazing, heat treatment processes, thermal evaporation and deposition, sputtering systems, and analytical instruments such as mass spectrometers and electron microscopes.
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