Qucik Details:
Alumina Ceramic Beads (for making ceramic heaters pad)
Place of origin:Yixing, China Type: Ceramic Beads Application: industrial ceramic
Material: Alumina ceramic Model: Alumina Brand Name:Yigang
Size:Customized Color: White
Packing&Delivery:
Packaging:Carton /Pallet/Wooden case or Customized according to costomers' requirements
Delivery: With 20 days
Description:
Alumina Content | 80-85% | 90-96% | > 99.5% | 99% | |
General Application | Lower Cost Electrical & Mechanical | High Strength, Wear Resistant, Electronic, Insulating, Mechanical, Structural & Metalizing | Extremely High Purity, Temperature & Strength; Excellent Corrosion & Wear Resistance | Porous, Easily Degassed & Machinable | |
Porosity | % | 0-.05 | 0-.05 | 0-.05 | Variable |
Density | gm/cm3 | 3.45-3.50 | 3.55-3.75 | 3.75-3.95 | 2.4 |
Flexural Strength | kpsi | 35.0-40.0 | 40.0-50.0 | 50.0-55.0 | - |
Comprehensive Strength | kpsi | 260.0 | > 300.0 | > 300.0 | - |
Tensile Strength | kpsi | 15.0-20.0 | 20.0-28.0 | 20.0-28.0 | - |
Linear Coefficient of Thermal Expansion | (cm/cm/°C) 25-300°C 25-700°C | 5.9X10-6 6.5X10-6 | 6.3X10-6 7.0X10-6 | 6.5X10-6 7.5X10-6 | 6.5X10-67.5X10-6 |
Dielecctric Constant at 25°C | 1 MH 10 MH | 8.5-8.9 8.4-8.8 | 9.2-9.8 9.0-9.6 | 9.5-9.9 9.3-9.7 | - |
Dielectric Strength | Volt/mil | 200 | 225 | 225 | - |
Te Value | °F °C | 1472 800 | > 1832 > 1000 | > 1832 > 1000 | > 1832 > 1000 |
Thermal Conductivity at 25°C | cal/sec/cm2/cm/°C | .03-.04 | .04-.06 | .07-.08 | - |
Thermal Shock | Good | Good | Good | Good | |
Safe Use Temperature | °F °C | 2550 1400 | 3000-3100 1650-1700 | 3275 1800 | 3275 1800 |
Specification:
Material:95% Alumina
Pink or white main body beads
Pink or white male end beads
Pink or white female end beads
Pink or white small tail beads
Pink or white body beads with hole
We manufactures custom technical ceramics, covering a wide range of customer requirements .We make use of several forming and machining techniques to process components made from alumina Ceramics, This material may be used in applications that require High elevated temperatures ,High dielectric strength, excellent electrical resistance . wear or corrosion resistance .high temperature capability .High Electrical insulation.
Applications:
Alumina ceramic beads for making ceramic heaters pad.
As ceramic parts of flexible pad and channel heaters at operations of pre and postweld heat treatment; Welding process, stress-relieving, pre-heating & post heating, ship-building, other resistance-heating environment.
