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Керамический стержень - Цзифэн Керамика

Керамический стержень/

Керамический стержень

Ceramic rods are cylindrical or special-shaped structural components made of high-performance ceramic materials such as alumina (Al₂O₃), карбид кремния (Карбид кремния), нитрид кремния (Си₃N₄), and zirconia (ZrO₂). They feature ultra-high hardness, extreme temperature resistance, chemical corrosion resistance, and excellent electrical insulation. Widely used in high-temperature furnace supports, mechanical seal shafts, electronic insulation parts, and chemical reactor agitators, they replace traditional metals to greatly improve equipment durability and efficiency.

  • Подробная информация о продукте
  • Технические характеристики

Core Advantages Of Ceramic Rod

Ultra-high mechanical strength

Bending strength ≥ 450 МПа, compressive strength ≥ 2000 МПа, withstands heavy load and impact.

Extreme environment resistance

Operating temperature from -60°C to 1600°C, resistant to acids, щелочи, и расплавленные металлы.

Low thermal expansion

CTE 6–8×10⁻⁶/°C, excellent dimensional stability at high temperatures.

Electrical insulation

Volume resistivity > 10¹² Ω·cm; conductive coating available for anti-static use.

Custom manufacturing

Diameter 1–200 mm, length 5–2000 mm, special shapes supported.

Applications of Ceramic Rod

  • High-temperature industry: Furnace thermocouple tubes, support rods, semiconductor single crystal furnace parts
  • Machinery: Pump/valve ceramic shafts, bearing rollers, precision guide rods
  • Chemical equipment: Reactor agitators, corrosion-resistant liners, electrolyzer electrodes
  • Электроника: Vacuum tube insulators, laser cavity supports, high-voltage insulation cores
  • Медицинский & lab: Medical imaging components, high-temperature test rods, bioreactor shafts

Why Choose Our Ceramic Rods?

Advanced material

High-purity powder + изостатическое прессование, density ≥99.3%

Precision machining

CNC grinding & deep hole drilling, tolerance ±0.005 mm

Fast delivery

Стандартный 2 weeks; military custom 4–8 weeks.

Full service

Material selection, testing, installation support

ПараметрDetails
Материал95%/99% Al₂O₃, Карбид кремния, Си₃N₄, ZrO₂
Standard SizeDiameter: 1–200 mm; Length: 5–2000 mm (настраиваемый)
прочность на изгибAl₂O₃: ≥300 MPa; Карбид кремния: ≥450 MPa
Operating TempAl₂O₃: -60°C ~ 1500°C; Карбид кремния: -60°C ~ 1600°C
Шероховатость поверхностиRa ≤0.4 μm (polished); Ra ≤1.6 μm (стандартный)
ПлотностьAl₂O₃: 3.6–3.9 g/cm³; Карбид кремния: 3.1–3.2 g/cm³
СертификатыИСО 9001, RoHS, AS9100, ИСО 13485

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