Material of Choice
1) Ceramic Insulator Body: 95% Alumina, Steatite with glazed or no glazed layer .
2) Electrode Pin/Rod: OCr25Al5, SUS304, Ni80Cr20, KanthalA1, etc.
3) Cable: UL1332, UL1911, UL3573, UL3071, UL3239 etc.
4) Bracket: Steel-Nickel Plated, Steel-ZINC Plated, Steel- Copper Plated etc.
5) Terminals: Various quick connect terminals are available.
6) Applications: used in all kinds of gas appliances, such as gas ovens, BBQ, water heaters and boilers etc..
Technical index of alumina
| Property | Units | ||||
| Al2O3 Content | % | 96 | 98 | 99.5 | 99.7 |
| Density | G / cm3 | 3.70 | 3.80 | 3.90 | 3.92 |
| Color | - | White | White | Ivory | Ivory |
| Compressive Strength @ 25 C | Mpa | 2229 | 2091 | 2512 | 2350 |
| Tensile Strength @ 25 C | MPa | 200 | 200 | 248 | 252 |
| Flexural Strength @ 25 C | MPa | 331 | 276 | 324 | 320 |
| Elastic Modulus @ 25 C | GPa | 290 | 331 | 366 | 380 |
| Hardness :Knoop Rockwell | (Gpa) Kg/mm2 R45N | (11.7) 1196 79 | (12.5) 1276 77 | (14) 1428 85 | (15) 1510 90 |
| Thermal Conductivity @ 25 C | W / m-Deg K | 20.8 | 28.1 | 30.7 | 31.6 |
| Coefficient of Thermal Expansion @ 25-1000 C | 1 X 10-6 / Deg C | 7.9 | 8.5 | 8.1 | 8.0 |
| Specific Heat @ 25 C | Cal / g / Deg C | .184 | .184 | .182 | .180 |
| Maximum Working Temp. | Deg C | 1650 | 1650 | 1700 | 1700 |
| VolumeResitivity @25C @700 C | Ohm-cm Ohm-cm | 1 X 10-13 1 X 10-8 | 1X 10-13 2.2 X 10-9 | 1 X 10-13 6 x 10-7 | 1 X 10-13 6 x 10-7 |
| Dielectric Strength (@Thickness) 100Mils | Ac volts Per mil | 350 | 340 | 335 | 330 |
| Dielectric Constant 1Mhz @25C | E' / eo | 8.6 | 9.4 | 9.7 | 10.0 |
| Dissipation Factor 1 Mhz @25C | Tan Delta | .0004 | .0003 | .0003 | .0002 |
Packaged by polybay and bubble bag in the stardard export carton,
Every package can be offered with English installation instruction.
Our company has a long history.We own the advanced equipment, a young, energetic, proficient and experienced team of professionals which with leading technology strength, excellent operational management and high-quality services what made us be recognized by customers of the chemical, petroleum, electric power, metallurgy, building material, aerospace, machinery and other industries.
HIGHBORN is one of the leading precise ceramic and quartz manufacturer in China.We own the advanced equipment, a young, energetic, proficient and experienced team of professionals which with leading technology strength, excellent operational management and high-quality services what made us be recognized by customers of the chemical, petroleum, electric power, metallurgy, building material, aerospace, machinery and other industries.
We are specialized advanced technical ceramics manufacturer,who have founded 12 years.
The quality and service of the products are guaranteed.
Pre-sale service: Professional technical persons will choose suitable materials for you due to using environment about the ceramic parts.
Q: Are you trading company or manufacturer ?
A: We have our own company and factoryQ: Do you send a sample to check?
A: Sure,sample is free and a freight collect.
Q: Where is your main market?
A: We have been exported to USA, Korea, UK, France, Russia, Germany, India, Spain, Brazil etc, so far, there is about 90 countries we have been exported, we also get good reputation from our customers.
Q: What is your terms of payment ?
A: We mainly accept T/T, West Union, Credit card and L/C.
Paypal will be available in the near future