New style alumina electric ceramic element for heater
USD $0.3 - $2.95 /Piece
Min.Order:100 Pieces
Shanghai Zhengxi Ceramics Co., Ltd.
New style alumina electric ceramic element for heater
Name | Alumina | Dense Cordierite | Porous Cordierite | Cordierite-Mullite | Mullite | Corundum mullite | |
Density(g/cm3) | 2.0~2.3 | 2.1 ~2.5 | 1.5 ~1.9 | 1.8~2.3 | 2.0 ~2.5 | 2.3 ~2.7 | |
Coefficient of heat expansion(×10-6K-1)(20~800°C) | ≤5 | ≤3.5 | ≤3.0 | ≤3.5 | ≤5 | ≤6 | |
Specific Heat (J/Kg.K)(20~1000°C) | 900~1150 | 900~1100 | 900~1100 | 900~1150 | 1000~1150 | 1100 ~1300 | |
Thermal Conductivity | 1.5~2.0 | 1.5~2.5 | 1.2~1.8 | 1.5~2.0 | 1.5~2.0 | 1.5~2.5 | |
(W/m.k) (20~1000°C) | |||||||
Impact Thermal Resistance(°C/min) | ≥300 | ≥300 | ≥350 | ≥350 | ≥350 | ≥300 | |
Max. Working Tem.(°C) | 1350 | 1300 | 1300 | 1320 | 1450 | 1550 | |
Water absorption(%) | 15-25 | ≤2 | 15~25 | 15 ~25 | 15~25 | 15 ~25 | |
Compressive strength | ≥28 | ≥28 | ≥25 | ≥25 | ≥28 | ≥30 | |
(MPa) | |||||||
Chemical composition (%) | Al2O3 | 55 ~65 | 25 ~38 | 28 ~38 | 40~52 | 60 ~70 | 70 ~80 |
SiO2 | 25~35 | 50 ~60 | 45 ~55 | 45 ~55 | 25 ~35 | 15 ~25 | |
MgO | 1~3 | 5 ~10 | 11 ~14 | 7~9 | 0 ~1 | 0 ~2 | |
others | <5 | <5 | <5 | <5 | <5 | <5 |
What can we do for you?
1. Sample is available.
2. Independent R&D, ISO manufacture, precise quality standards, modern logistics management, and sound marketing strategy.
3. Inquiry replied within 24 hours.
4. Patented products.
5. OEM or ODM is available.
6. Some extra accessories can be supplied.
7.The larger quantity you order,the more competitive prices you'll get.
8. Necessary Certificates can be supplied.
1. Low MOQ:
It won't occupy too much of your money to help you to test the market you're going to enter.
2. R & D Center and Factory:
We have our own R & D center and factory, so we can supply you products at competitive price.
3. Good Service :
We treat clients as friends.
4. Good Quality :
We import top quality accessories to manufacture our products, we have confident we can offer you the best quality.
5. After-sales service:
One year's guarantee. Wearing accessories comes with the products to help you to reduce the repair bill.