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L Shape Molybdenum Disilicide Rod

L-Type MoSi2 Heating Rod, Heater

CVSIC L-Type Molybdenum Disilicide (MoSi2) heating element, up to 1850℃, high-temperature and oxidation-resistant, great for ceramics, electronics, lithium batteries, and high-temp furnaces. Offering global wholesale, customization, and OEM/ODM services. Contact us for free samples!

  • Product Specifications
  • Material: Molybdenum Disilicide (MoSi2)
  • Shape: L-Type
  • Power Supply: 220-480V
  • Grade: 1700/1800/1850
  • Diameter: 3/6, 4/9, 6/12, 9/18, 12/24 mm or custom
  • Density: 5.5-6.2 g/cm³
  • Bending Strength: 15-25 kg/cm³
  • Vickers Hardness: 570 kg/mm²
  • Porosity: 7.4%
  • Water Absorption: 0.2%
  • Thermal Elongation: 4%
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L Shape MoSi2 Heater Description

CVSIC L-Type Molybdenum Disilicide (MoSi2) heating element, shaped like an “L,” is crafted from high-purity MoSi2 through a high-temperature sintering process, with a density of 5.5-6.2 g/cm³ and a maximum operating temperature of 1850℃. Available in 90°, 45°, or custom angles, it is perfect for high-temperature furnaces and harsh environments. Offering excellent oxidation resistance, rapid and consistent heating, and a long lifespan, it is a dependable and high-performance heating option for ceramics, electronics, lithium batteries, and high-temperature heat treatment industries.

Diameter (d/c, mm)Le(hot zone) LengthLu(cold zone) Lengthc(mm)d(mm)f(mm)g(mm)A(mm) Std/Min
3/6CustomizableCustomizable63251525/16
4/9CustomizableCustomizable94251525/19
6/12CustomizableCustomizable126452550/26
9/18CustomizableCustomizable189753060/38
12/24CustomizableCustomizable24121004080/54
l shape mosi2 heating element drawing

Note: Dimensional tolerance ±5% (except c and d), Lu length 150-1000mm, Le length 150-1500mm, customizable.

MoSi2 Heating Element Resistance versus Time

mosi2 heating element resistance versus time

AtmosphereGrade 1700Grade 1800Grade 1850
NO2, CO2, O2, Air1700℃1800℃1850℃
He, Ar, Ne1650℃1750℃1800℃
SO21600℃1700℃1750℃
CO, N21500℃1600℃1700℃
Wet H21400℃1500℃1650℃
Dry H21350℃1450℃1600℃

Element Temperature (℃)1700 Type Resistivity (Ω·mm²/m)1800 Type Resistivity (Ω·mm²/m)
8001.8461.714
9002.0711.918
10002.2852.142
11002.4992.366
12002.7342.601
13002.9682.836
14003.2233.05
15003.4883.315
16003.7433.57
17004.0293.805
18004.3164.06

Note: Resistivity increases rapidly with temperature but remains stable over time, allowing new and old elements to be used together.

L Shape MoSi2 Heater Connection Method

  • Contact Surface Design: The cold end utilizes dedicated connectors (e.g., aluminum braid or copper clips) for low resistance and stable conductivity.
  • Electrical Connection: Secure connectors with spring clips or bolts, compatible with 220-480V power. Use an SCR voltage regulator (for precise temperature control) to enhance performance.

Note: Choose the appropriate grade (1700/1800/1850) based on atmosphere and temperature needs, ensuring resistance matching for a longer lifespan.

L Shape MoSi2 Elements Application Fields

CVSIC L-Type MoSi2 heating elements are widely used in:

  • High-Temperature Furnaces: Supports ceramic sintering, glass manufacturing, and other high-temperature processes.
  • Electronic Semiconductors: Used for wafer sintering, diffusion furnaces, and encapsulation material heating.
  • Lithium Battery Materials: Facilitates high-temperature processing of battery anode and cathode materials.
  • Rare Earth Phosphors and Precision Casting: Provides high-temperature stability and uniform heating.
  • Laboratory Furnaces: Meets high-temperature experimental and material testing needs.

L Shape MoSi2 Heater Product Advantages

Ultra-High Temperature Resistance: Operates up to 1850℃, perfect for extreme environments.

High Oxidation Resistance: High-density MoSi2 (5.5-6.2 g/cm³) ensures superior oxidation resistance and extended lifespan.

Rapid and Consistent Heating: 4% thermal elongation delivers uniform temperature fields and quick heat-up.

Corrosion Resistance: Low porosity (7.4%) and water absorption (0.2%) make it suitable for various atmospheres (air, inert gases, etc.), enhancing its durability.

Flexible Design: Supports 90°, 45°, or custom angles to fit complex furnace designs.

Global Service: ISO-certified factory, 360-ton annual capacity, offers free samples, and 7-30 day delivery.

L Shape MoSi2 Heater Installation Method

To ensure the performance and safety of L-Type MoSi2 heating elements, follow these steps:

  1. Inspect Element: Check for cracks or damage before installation.
  2. Installation Position: Place the transition zone (g) inside the furnace to prevent heat buildup damage; keep proper distance between the hot zone and furnace bottom (h); ensure adequate spacing from furnace walls to avoid overheating.
  3. Fixing Device: Use dedicated clamps (e.g., ceramic or heat-resistant steel) to secure the cold end, minimizing mechanical stress.
  4. Power Connection: Connect the cold end to power using aluminum braid or copper clips, ensuring a solid connection.
  5. Preheating: Gradually increase power during first use to avoid thermal shock.
  6. Regular Maintenance: Check connectors and clamps for loosening or corrosion.

Replacement Steps:

  1. Locate damaged element and prepare replacement set.
  2. Disconnect power, remove connecting wires and screws, and clear refractory material and plugs.
  3. Insert new element from furnace top, reconnect wires, and refill refractory material.
  4. Gradually heat to ensure normal operation.

Note: Installation and replacement should be done by professionals. Contact us for detailed guidance.

L Shape MoSi2 Heater Design Recommendations

To optimize the performance of L-Type MoSi2 heating elements, follow these suggestions:

  • Angle Design: Select 90°, 45°, or custom angles based on furnace structure for flexible installation.
  • Length Matching: Ensure Lu (150-1000mm) and Le (150-1500mm) align with furnace dimensions, avoiding hot zone insertion into furnace walls.
  • Spacing Design: Maintain ≥3 times hot zone diameter between element and furnace wall/material, and ≥4 times diameter for center-to-center spacing to optimize heat distribution.
  • Atmosphere Selection: Choose 1700/1800/1850 grade based on atmosphere (e.g., O2, N2, H2), referring to the maximum temperature table.
  • Temperature Control System: Use a PID controller for precise temperature control to extend element lifespan.
  • Transition Zone Protection: Ensure transition zone (g) is inside the furnace to prevent overheating damage.

Customization Services

CVSIC offers flexible customization for L-Type MoSi2 heating elements:

  • Size Customization: Adjust hot/cold zone diameter, Lu/Le length, and angle (90°, 45°, or other).
  • Grade Selection: Provide 1700/1800/1850 grades for different atmospheres and temperature needs.
  • Special Coatings: Offer oxidation-resistant coatings for enhanced performance in harsh environments.
  • OEM/ODM Services: Support bulk wholesale, free samples, and 7-30 day delivery.
  • Technical Support: Offer expert guidance and thermal simulation for selection and setup.
    Contact us for customized solutions or free samples!

CVSIC is dedicated to providing top-notch L-Type MoSi2 heating elements to optimize ceramics, electronics, lithium batteries, and high-temperature processes. Contact us for product quotes, customization services, or free samples to boost your heating efficiency!

Looking for Reliable High Temperature Heating Solutions?

Contact CVSIC today for a one-stop solution for deheating! With over fifteen years of R&D and manufacturing experience, we have absolute confidence in our products! Feel free to contact us for free samples for trial!

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Straight (I-Type) MoSi2 Heating Elements

  • Material: Molybdenum Disilicide (MoSi2)
  • Shape: Straight/I-Type
  • Power Supply: 220-480V
  • Grade: 1700/1800/1900
  • Diameter: 3/6, 4/9, 6/12, 9/18, 12/24 mm or custom
  • Density: 5.5-6.2 g/cm³
  • Bending Strength: 15-25 kg/cm³
  • Vickers Hardness: 570 kg/mm²
  • Porosity: 7.4%
  • Water Absorption: 0.2%
  • Thermal Elongation: 4%

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W Shape MoSi2 Heating Elements

  • Material: Molybdenum Disilicide (MoSi2)
  • Shape: W-Type
  • Power Supply: 220-480V
  • Grade: 1700/1800/1850
  • Diameter: 3/6, 4/9, 6/12, 9/18, 12/24 mm or custom
  • Density: 5.5-6.2 g/cm³
  • Bending Strength: 15-25 kg/cm³
  • Vickers Hardness: 570 kg/mm²
  • Porosity: 7.4%
  • Water Absorption: 0.2%
  • Thermal Elongation: 4%

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U Shape MoSi2 Heating Rod

  • Material: Molybdenum Disilicide (MoSi2)
  • Power Supply: 220-480V
  • Grade: 1700/1800/1850
  • Diameter: 3/6, 4/9, 6/12, 9/18, 12/24 mm or custom
  • Density: 5.5-6.2 g/cm³
  • Bending Strength: 15-25 kg/cm³
  • Vickers Hardness: 570 kg/mm²
  • Porosity: 7.4%
  • Water Absorption: 0.2%
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