Corundum ceramic sleeve
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Product Description
- 产品描述
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Product Introduction
Our company develops corundum alumina temperature-resistant and wear-resistant ceramic sleeves, with hardness second only to diamond, featuring high wear resistance and long service life. YL-NT corundum refractory ceramic special-shaped parts can be manufactured according to user-specified dimensions, produced using special molds. Main features include: low expansion, high temperature resistance, corrosion resistance, oxidation resistance, and long service life. They are important components for special high-temperature wear-resistant parts.
Technical Parameters
Ceramic Properties Table
Name
99 Ceramic
95 Ceramic
Zirconia
Main Components
AlO ₃ ≥99%
Al ₂ O ₃ ≥95%
ZrO ₂ ≥94%
Physical Properties
Density
3.85
3.6
5.9
Water Absorption %
0
0
0
Sintering Temperature ℃
1690
1670
1650
Material Properties
Hardness HV
1700
1600
1400
Flexural Strength 4pt
>3500
>2900
>11000
Compressive Strength Kgf/cm²
30000
25000
25000
Thermal Properties
Maximum Operating Temperature ℃
1500
1400
1600
Thermal Expansion Coefficient
8
7.8
10
10-6/℃
0-1000℃
Thermal Shock Resistance T(℃)
200
220
350
Thermal Conductivity W/m.k
31
22
3
Electrical Properties
Volume Resistivity Ω.cm
>1012
>1012
>1012
Insulation Breakdown Strength KT/m
18
16
15
Dielectric Constant 1MHZ(E)
9.2-10.5
9.0-10
12.5
Product Inquiry
We highly value your opinions and inquiries. If you have any questions about products and services, please fill out the form below, and we will contact you as soon as possible.
Service Hotline:
Address: Economic Industrial Park, East Street, Anyuan District, Pingxiang City, Jiangxi Province
Email: rk18307098991@163.com