China Wear Resistance Alumina Ceramic Polishing Piston

1. Hard, wear and abrasion resistance;
2. Good smooth and high strength and stiffness
3. Resists strong acid and alkali attack at elevated temperatures;
4. Extreme high temperature stability;
5. Good thermal conductivity;
6. Excellent dielectric properties from DC to GHz frequencies
7. Good airproof capability;
8. Superior gas and vacuum tightness

ProjectTest the conditionUnit99 porcelain95 porcelainTalc porcelainBackbone 99%AL2O395%AL2O3MgO.SiO2Physical propertyDensity of volumeNormal atmospheric temperatureg/cm33.83.62.8AirtightNormal atmospheric temperature PassPass-Absorbing water rateNormal atmospheric temperature%000Temperature that frit °C180016501350Mechanical performanceRockwell hardnessNormal atmospheric temperatureHRA888676Resist the intensity of turning backNormal atmospheric temperatureMpa350320150Compression strengthNormal atmospheric temperatureMpa13001200900Hot performanceUse temperature at most °C170016001200Heat resistant shaking20O°C-1100O°C10NumPassPassPassHot coefficient of expansion20O°C-80O°Cx10-6mm/°C6.5-8.56.5-8.05.0-6.2Heat-conduction rate25°CW/m.k29252.9300°CW/m.k18132Dielectric constantThe medium lossing1MHz2O°Cx10-4≤2.5≤4≤8.0The angle tangent is worth1MHz8O°Cx10-4≤3.5≤4.2-Dielectric strengthNormal atmospheric temperatureKV/mm151620Dielectric constant1MHz2O°C 9-10.59-10≤7.5Resistivity of volume2O°CΩ.cm>1012>1012>101310O°CΩ.cm1012-10131012-10131010-101130O°CΩ.cm>10123.1x1095x108

Packaging & Shipping
Packaged by polybay and bubble bag in the stardard export carton,
Every package can be offered with English installation instruction.
Company Information
Highborn is a modern enterprise management company, who devote themselves to the service of product research and development, construction and maintenance.
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.
Certifications:
FAQ
Q: Are you trading company or manufacturer ?
A: We have our own company and factory
Q: 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.