Alumina Ceramics Custom High-Temperature Resistant Wear-Resistant Alumina Shim

• Customization: Available
• Application: Chemical Processing, High-Temperature Furnaces
• Ceramic Tube & Rod: Ceramic Rod
• Model NO.: RJ-2941
• Length: Customized
• Temperature Resistance: 2000℃
• Color: White
• Shape: Round
• Usage: Industry Usage
• Feature: Insulation
• Advantage: Wear-Resisting/High Temperature Resistance
• Density: 3.8g/cm3
• Type: Ceramic Parts
• Transport Package: Carton
• Specification: Customizable
• Trademark: RONGJIAN
• Origin: Pingxiang, China
• Package Size: 50.00cm * 50.00cm * 20.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

Aluminum Oxide Ceramic Gasket

Aluminum oxide ceramic gaskets are high-performance components fabricated from alumina (Al₂O₃) as the primary material through high-temperature sintering. The alumina content typically ranges from 95% to 99%, with higher purity grades offering superior performance. These gaskets exhibit exceptional material properties, including:

Dense microstructure and extreme hardness (Mohs hardness ~9).
Outstanding thermal stability, withstanding temperatures up to 2000°C.
Excellent corrosion resistance, electrical insulation, and wear resistance.
Key Characteristics
1.Physical Properties

High dielectric strength and resistance to electrical breakdown.
Exceptional mechanical strength (e.g., impact-resistant even when dropped from 3 meters).
2.Thermal Performance

Operating range exceeding 1600°C with minimal thermal expansion.
3.Mechanical Properties

Flexural strength >300 MPa, ensuring durability under dynamic loads.

Product Parameters

	Name	99 porcelain	95 porcelain	Zirconia
	Main ingredients	Al2O3≥99%	Al2O3≥95%	ZrO2≥94%
Physical properties	Density	3.85	3.6	5.9
	Water Absorption %	0	0	0
	Sintering temperature °C	1690	1670	1650
Quality characteristics	Hardness HV	1700	1600	1400
	Flexural strength 4pt	≥3500	≥2900	≥11000
	Compressive strength  /cm²	30000	25000	25000
Thermodynamicproperties	Maximum service temperature  °C	1500	1400	1600
	Coefficient of thermal expansion	8	7.8	10
	10-6/°C
	0-1000°C
	Heat shock resistance  (°C)	200	220	350
	Thermal conductivity  W/m.k	31	22	3
Electrical characteristics	Volume resistivity  Ω.cm	≥1012	≥1012	≥1012
	Breaking strength of insulation   KT/m	18	16	15
	Dielectric constant  1MHZ(E)	9.2-10.5	9.0-10	12.5

Application

Metallurgical industry

Electrical industry

Electrical heating industry

.

Petrochemical industry

The medical industry

The textile industry

Company Profile

Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd.

Innovative Solutions for Environmental & Industrial Applications
Headquarters: Xiangdong District Industrial Park, Pingxiang City, Jiangxi Province, China
 
Core Capabilities
 Advanced Manufacturing: Custom-designed towers and systems in ceramic, metal, and plastic materials.
Comprehensive Product Portfolio: 200+ specifications including:
• Ceramic/metal/plastic packing materials
• Molecular sieves & activated alumina
• Catalysts & petrochemical additives
• Activated carbon & eco-friendly filtration media
Turnkey Services: Full-scale pollution control and wastewater treatment projects.
Corporate Strengths
  ISO 9001 Certified - Guaranteed quality management system compliance.
 300+ Workforce - Including 100+ specialized engineers and technicians.
30-Acre Production Base - Integrated R&D and manufacturing facilities.
 
Awards & Innovations
 National Science & Technology Achievement Award
Provincial Gold Medal & Famous Brand Product
17 Patented Technologies - Protecting proprietary advancements..

Packaging & Shipping

FAQ