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Keramikstab - JiFeng-Keramik

Keramikstab/

Keramikstab

Ceramic rods are cylindrical or special-shaped structural components made of high-performance ceramic materials such as alumina (Al₂O₃), Siliziumkarbid (SiC), Siliziumnitrid (Si₃N₄), and zirconia (ZrO₂). They feature ultra-high hardness, extreme temperature resistance, chemische Korrosionsbeständigkeit, 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.

  • Produktdetails
  • Technische Spezifikationen

Core Advantages Of Ceramic Rod

Ultra-high mechanical strength

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

Extreme Umweltbeständigkeit

Operating temperature from -60°C to 1600°C, resistant to acids, Alkalien, und geschmolzene Metalle.

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
  • Elektronik: Vacuum tube insulators, laser cavity supports, high-voltage insulation cores
  • Medizinisch & lab: Medical imaging components, high-temperature test rods, bioreactor shafts

Why Choose Our Ceramic Rods?

Advanced material

High-purity powder + isostatisches Pressen, density ≥99.3%

Precision machining

CNC grinding & deep hole drilling, tolerance ±0.005 mm

Schnelle Lieferung

Standard 2 Wochen; Militärbrauch 4–8 Wochen.

Full-Service

Material selection, testing, installation support

ParameterDetails
Material95%/99% Al₂O₃, SiC, Si₃N₄, ZrO₂
Standard SizeDiameter: 1–200 mm; Length: 5–2000 mm (anpassbar)
BiegefestigkeitAl₂O₃: ≥300 MPa; SiC: ≥450 MPa
Operating TempAl₂O₃: -60°C ~ 1500°C; SiC: -60°C ~ 1600°C
OberflächenrauheitRa ≤0,4 μm (polished); Ra ≤1.6 μm (Standard)
DichteAl₂O₃: 3.6–3,9 g/cm³; SiC: 3.1–3,2 g/cm³
ZertifizierungenISO 9001, RoHS, AS9100, ISO 13485

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