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​​High-Purity SiC Vertical Furnace Tube High-Temperature Resistant

Categories Ceramic Substrate
Brand Name: ZMSH
Model Number: SiC Vertical Furnace Tube
Certification: rohs
Place of Origin: CHINA
MOQ: 25
Price: by case
Payment Terms: T/T
Delivery Time: 2-4 weeks
Packaging Details: package in 100-grade cleaning room
Maximum service temperature: >1700°C​
Thermal conductivity: ≥120 W/(m·K)​​
Mohs hardness: ​​9.5
Coefficient of thermal expansion: 4.0~5.0×10⁻⁶/K​​
Elastic modulus: 410 GPa or higher​
Applications: Semiconductor Manufacturing, ​​Industrial Kilns and Energy
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​​High-Purity SiC Vertical Furnace Tube High-Temperature Resistant

SiC Vertical Furnace Tube​​ Abstract


​​High-Purity SiC Vertical Furnace Tube High-Temperature Resistant



A Silicon Carbide (SiC) Vertical Furnace Tube is a high-performance ceramic structural component manufactured using processes such as ​​reaction sintering​​ or ​​chemical vapor deposition (CVD)​​. It is specifically designed for extreme environments in ​​semiconductor manufacturing, metallurgy, and high-temperature industries​​. By leveraging the core material properties of silicon carbide—​​high hardness, high stiffness, low thermal expansion, high thermal conductivity, and excellent chemical stability​​—it maintains ​​exceptional dimensional stability (with a coefficient of thermal expansion as low as 4.0-5.0×10⁻⁶/K) and structural integrity​​ under conditions exceeding ​​1700°C​​, in corrosive atmospheres, and during rapid temperature changes. It provides a reliable material solution for high-temperature processes.



SiC Vertical Furnace Tube Characteristics and Advantages


​​Feature Category​​​​Core Advantage​​​​Key Parameters/Performance​​
​​High-Temperature Stability​​

Extremely low thermal expansion, high temperature resistance


Coefficient of thermal expansion ​​4.0~5.0×10⁻⁶/K​​ (-196°C to 1600°C), maximum service temperature ​​>1700°C​​
​​Thermal Management​​

Excellent thermal conductivity, rapid temperature equalization


Thermal conductivity ​​≥120 W/(m·K)​​ (room temperature), ​​~45 W/(m·K)​​ (1200°C)
​​Mechanical Strength​​

High hardness, high stiffness, resistance to deformation


Mohs hardness ​​9.5​​, elastic modulus ​​410 GPa or higher​​
​​Chemical Inertness​​

Resistance to acids, alkalis, and plasma erosion


Corrosion rate in ​​strong acid (70% HNO₃) and strong alkali (45% KOH) <0.2 mg/(cm²·h)​​
​​Service Life & Reliability​​

Thermal shock resistance, long life, low maintenance


Withstands ​​thermal shock testing from 1200°C to room temperature (quenching) while maintaining structural integrity​​, and exhibits ​​dimensional deviation <0.1mm after continuous operation for 2 years in industrial scenarios​

​​



SiC Vertical Furnace Tube Main Application Areas

​​


  • Semiconductor Manufacturing​​: Used as core components such as ​​wafer boats, liner tubes, and thermal baffles​​ in ​​vertical diffusion furnaces and CVD reactors​​, supporting processes like ​​high-temperature oxidation/diffusion and epitaxial growth​​, ensuring wafer processing precision and yield.
  • ​​Metallurgy and High-Temperature Processing​​: Serves as ​​furnace linings, crucibles, and load-bearing guides​​ in ​​non-ferrous metal smelting (aluminum, copper, zinc)​​ and ​​steel manufacturing​​, withstanding corrosion from molten metal and high-temperature loads.
  • ​​Industrial Kilns and Energy​​: Applied in ​​tunnel kilns and shuttle kilns​​ as ​​high-temperature kiln furniture and burner components​​, and as corrosion-resistant structural parts in ​​new energy equipment (e.g., fuel cells)​​.



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SiC Vertical Furnace Tube Q&A


Q1: What is the primary application of a silicon carbide (SiC) vertical furnace tube?​​

​​A1:​​ It is primarily used as a ​​high-temperature reactor tube​​ in ​​semiconductor diffusion furnaces, CVD systems, and industrial kilns​​ (e.g., for SiC/GaN epitaxial growth, oxidation, or annealing processes at 1500–1700°C), providing exceptional thermal stability and corrosion resistance in extreme environments.


​​Q2: Why choose silicon carbide over traditional materials for vertical furnace tubes?​​

​​A2:​​ Silicon carbide offers ​​superior high-temperature strength (up to 1700°C), extreme thermal shock resistance (low CTE ~4.5×10⁻⁶/K), and excellent chemical inertness​​ (resisting acids, alkalis, and plasma erosion), ensuring long service life, minimal maintenance, and stable performance in corrosive atmospheres like HCl or metal vapors.



Tags: #SiC Vertical Furnace Tube, #High-Purity, #Customized, #SiC Ceramics​​, #​High-Temperature Resistant

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