Features:
High hardness
resistance to elevated temperatures
corrosion resistance
oxidation resistance
Application:
the zirconia has the advantage of smooth surface, light weight, and highst strength and tougthness, so it can be used for gring media, mill ining bricks, wear resistance lining, thermocouple protection and so many others field.
Name | Unit | Alumina | Zirconia | ||||
Content | % | ≥95 | ≥99 | ≥99.7 | ≥94 | ||
Density | g/cm3 | 3.65 | 3.80 | 3.90 | 6.00 | ||
Hardness (Hv0.5) | GPa | 13.1 | 15.0 | 17.1 | 13.2 | ||
flexural strength | MPa≥ | 340 | 310 | 370 | 1000 | ||
Elasticity | GPa | 300 | 330 | 350 | 200 | ||
Poisson's ratio | 0.23 | 0.23 | 0.23 | 0.30 | |||
Max Tem. | °C≥ | 1400 | 1750 | 1800 | 1050 | ||
Heat expansion | ×10-6/°C(40-800°C) | 7.8 | 8.0 | 8.0 | 11.0 | ||
Thermo conductivity | W/m·K( 20°C) | 22 | 28 | 31 | 2.6 | ||
Thermal Resistance | °C | 200 | 200 | 230 | 300 | ||
dielectric strength | V/m | 15×106 | 15×106 | 15×106 | 11×106 | ||
dielectric phase angle (1MHz) | ×10-4 | 4 | 2 | 1 | 16 | ||
SIC(1MHz) | 9.2 | 9.8 | 9.9 | 33 | |||
Nitric Acid (60%)90°C | WT Loss mg/cm2/day≤ | 0.12 | 0.10 | 0.05 | ≠0 | ||
Sodium hudroxide (30%)80°C | WT Loss mg/cm2/day≤ | 0.53 | 0.26 | 0.04 | 0.08 | ||
Our Company: 
HIGHBORN is one of the leading high quality quartz glass and precise ceramic manufacturer and supplier in China.Henka ceramics technology Co.,Ltd which is the sole investment company of it. Not only have we mastered the fabrication technology.Our strength has always been based around listening to and understanding our customer's requirements and expectation.
We have always been a defining force in the sale and fabrication of quartz glass within the semi-conductor, chemical, solar Energy and precise ceramics within semi-conductor , solar energy, textile, electronic, and laser industries.
We are a set of development, design, production, sales as one of the enterprises. The company has always followed the people-oriented, innovation as the soul. In times of peace, think of danger, self-improvement of the operating philosophy, has been the long-term progress of the development.
Our Service: 
What we can do for you:
1. High-quality products | 2. Optimal price | 3. Safe transportation |
4. Sample service | 5. Customized size | 6.Compensate for broken goods |
7.Safe package | 8.After-sale service | 9.Low procurement risk ...... |
Packing & Delivery:
| Packing Details | We will packing by plastic/ polybay and bubble bags first , and then into the foam box,finally into the wooden cases/ carton/pallet or customized package.Every package can be offered with English installation instruction. |
| Delivery Details | We can deliver by any courier, eg, TNT, UPS, FedEx, EMS etc.We can also by air, sea etc.We can choose the way according to the requirements of customers to ensure the most safe, efficient and convenient transportation. |
Our certificate:
Q:Are you a manufacturer or trading company ?
A:We are professional manufacturer in China ,and have in this line for almost 10 years.
Q:Will your company supply samples?
A:Of course,if we have sample in stock,we will be glad to offer you free samples.
Q:Would it be possible for us to visit your factory?
A:Sure, we welcome you at any time! Seeing is believing.
Q:Do you support OEM?
A:Yes
Q:Which payment terms are you accept?
A:T/T, LC, Western Union, Money Gram,etc