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Alumina Ceramic Bar Manufacturer & Поставщик - Цзифэн Керамика

Керамическая тарелка/

Alumina Ceramic Bar

Our alumina ceramic bar is made of high‑purity alumina (Al₂O₃ 92%–99.5%) through dry pressing /isostatic pressing and high‑temperature sintering. It features high hardness (Hv≥1500), high temperature resistance up to 1600°C, and excellent insulation (volume resistivity >10¹⁴ Ω・cm). Standard sizes: thickness 1–50mm, width 10–300mm, length ≤600mm (customizable). Widely used for high‑temperature furnace guides, wear liners, electrical insulation supports, replacing metal and plastic to improve equipment stability and service life.

  • Подробная информация о продукте
  • Технические характеристики

Основные преимущества

✅ Extreme Environment Resistance

High temperature & oxidation resistance: Stable up to 1200°C (99% alumina up to 1600°C), no deformation. Ideal for melting & sintering furnace guides.

Chemical corrosion resistance: Resists strong acid, alkali, and organic solvents for electroplating & chemical reactor liners.

✅ Outstanding Mechanical Properties

Ultra‑high hardness & износостойкость: HRA≥85, 10× more wear‑resistant than manganese steel.

High bending strength: ≥300MPa (99% глинозем), shock‑resistant for heavy equipment.

✅ High Precision & Versatility

Precision dimension control: Tolerance ±0.1mm (precision ground ±0.02mm), Ra≤0.4μm.

Flexible customization: Drilling, chamfering, slotting, metallization (Ni/Ag plating) available.

✅ Excellent Insulation & Термическая стабильность

High insulation: Breakdown voltage ≥20kV/mm for high‑voltage electrical equipment.

Controllable thermal conductivity: 30Вт/м·К, ideal for electronic thermal management.

 

Приложения

High-temperature furnace guide rails

Wear-resistant lining plates

Electrical insulation supports

Semiconductor equipment components

Mechanical wear parts & barrier plates

Высоковольтная электроизоляция

Custom Service

Custom size (thickness/width/length

Drilling, slotting, chamfering, metallization

Drawing customization & sample approval

Fast lead time & stable quality

Часто задаваемые вопросы

Can you customize size and shape? Да.

What’s the max working temp? 1600°С (99% глинозем).

Can you do drilling/metallization? Да.

Performance ItemDetails
Материал92/95/99% глинозем (Al₂O₃)
Плотность3.6–3.98 g/cm³
Тепловое расширение7.2–8.6×10⁻⁶/°C (25–800°C)
Устойчивость к тепловому ударуΔT≥300°C
Диэлектрические потери1×10⁻⁴ (1МГц, 25°С)
CertificationsASTM F1468, GB/T 5593

 

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