Al2O3 Alumina Ceramic Valves Disc for Brass Cartridge
ceramic valve:
1,90%-95% Alumina Ceramic valve.
2.High intension.
3.Solid-resist,alkali-resistence.
4,Reasonable price.OD: 12.5mm---16.2mm ceramic discsThe frictional times is 300, 000 to 500, 000Rigidity is 84~86 HRA.The thickness tolerance is less than 0.05mm, the diameter tolerance is less than 0.05mm. physical analysis sheet for 95%Al2O3:Densityg/cm33.6Substance CharacteristicWater AbsorptionOSinter Temperature1710Physical CharacteristicHardnessHV≥12Bending StrengthMpa≥310compressive strengthKgf/cm225000Elastic ModulusGPa300fracture toughnessMap.m3/23 to 4Max Using Temperature1450Thermal CharacteristicCoefficient of Thermal Expansion1X 10-6/°C8heat-resistant TemperatureT()220Thermal ConductivityW/m.k(25-300)2420>1012Volume Resistance100>.cm1012-1013Electric Characteristic300>1010Dielectric StrengthKV/mm18Dielectric Constant100MHz(E)9.5
Main advantage of the tap ceramic disc:
95%Al2O3 ceramic discs,mailly applicated to temperature modulatory valve,conversion valve,modulatory valve of surf and massage bathtub,LPG valves
Good hermetical, compressive resistance,flexual resistance,using longevity will be above 500 thousand times.