Gold Member Since 2016
Hunan Rui Yue Industrial and Trade Co., Ltd.

Ceramic Parts, Alumina Parts, Ceramic Customized Parts manufacturer / supplier in China, offering High Purity Alumina Ceramic Casting Parts with Glaze, Fire Assay Magnesite MGO Cupels Crucible, Pyrolytic Boron Nitride Crucibles with ISO9001 Certificated and Favorable Price and so on.

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High Purity Alumina Ceramic Casting Parts with Glaze

FOB Price: Get Latest Price
Min. Order: 100 Pieces
Port: Shenzhen, China
Production Capacity: 100000PCS Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: RY-T194
  • Type: Insulation Sleeve
  • Material: Alumina
  • Maximum Voltage: <10KV
  • Certification: UL, ISO9001, SGS
  • Brand: Ry
  • Specification: customized
  • HS Code: 854710000
  • Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate
  • Chemistry: Organic Insulation
  • Thermal Rating: 250 250
  • Classification: Hybrid Insulation Materials
  • Color: White
  • Transport Package: Wooden Box
  • Origin: China
Product Description
Ceramic parts 
High purity ceramic alumina tube parameters:
1.Material : Cordierite , mullite , High purity alumina oxide 95%-99%
2.Application: Used for all kinds of electric heating equipment and electric equipment, and textile machinery
3.Good smooth and high strength
4. Customized size and drawing 
5. Max working temperature 1800.
6. Out surface can be grinded drilling hole to make tight tolerance and right instillation.
7.Large quantity in stock makes fast delivery and competitive prices.

Main performance index about alumina ceramic tube:
ProjectTest the conditionUnit99 porcelain95 porcelainTalc porcelain
Backbone  99%AL2O395%AL2O3MgO.SiO2
Physical propertyDensity of volumeNormal atmospheric temperatureg/cm33.83.62.8
AirtightNormal atmospheric temperature ..PassPass-
Absorbing water rateNormal atmospheric temperature%000
Temperature that frit °C180016501350
Mechanical performanceRockwell hardnessNormal atmospheric temperatureHRA888676
Resist the intensity of turning backNormal atmospheric temperatureMpa350320150
Compression strengthNormal atmospheric temperatureMpa13001200900
Hot performanceUse temperature at most °C170016001200
Heat resistant shaking20O°C-1100O°C10NumPassPassPass
Hot coefficient of expansion20O°C-80O°C×10-6mm/°C6.5-8.56.5-8.05.0-6.2
Heat-conduction rate25°CW/m.k29252.9
300°CW/m.k18132
Dielectric constantThe medium lossing1MHz2O°C×10-4≤2.5≤4≤8.0
The angle tangent is worth1MHz8O°C×10-4≤3.5≤4.2-
Dielectric strengthNormal atmospheric temperatureKV/mm151620
Dielectric constant1MHz2O°C 9-10.59-10≤7.5
Resistivity of volume2O°CΩ.cm>1012>1012>1013
10O°CΩ.cm1012-10131012-10131010-1011
30O°CΩ.cm>10123.1×1095×108

High Purity Alumina Ceramic Casting Parts with GlazeHigh Purity Alumina Ceramic Casting Parts with GlazeHigh Purity Alumina Ceramic Casting Parts with GlazeHigh Purity Alumina Ceramic Casting Parts with Glaze

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