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Alumina Ceramic Disc For Faucet Specifications
Alumina Ceramic Washer Wear resistant
Save water
long working life
Superior tightness
Excellent thermal insulation propert
Tap ceramic disc for water faucet is our main product. we supply good quality and reasonable price.
99 Alumina ceramic faucet disc Specification:
OD: 12.5mm---21.0mm ceramic discs
The frictional times is 300, 000 to 500, 000
Rigidity is 84~86 HRA
The thickness tolerance is less than 0.05mm, the diameter tolerance is less than 0.05mm
Alumina Ceramic Disc Advantage:
Wear resistant
Save water
long working life
Superior tightness
Excellent thermal insulation properties
Alumina Ceramic Disc Technical Data:
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physical analysis sheet for 95%Al2O3: |
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Density |
g/cm3 |
3.6 |
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Substance Characteristic |
Water Absorption |
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O |
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Sinter Temperature |
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1710 |
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Physical Characteristic |
Hardness |
HV |
≥12 |
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Bending Strength |
Mpa |
≥310 |
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compressive strength |
Kgf/cm2 |
25000 |
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Elastic Modulus |
GPa |
300 |
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fracture toughness |
Map.m3/2 |
3 to 4 |
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Max Using Temperature |
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1450 |
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Thermal Characteristic |
Coefficient of Thermal Expansion |
1X 10-6/°C |
8 |
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heat-resistant Temperature |
T() |
220 |
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Thermal Conductivity |
W/m.k(25-300) |
24 |
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20 |
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>1012 |
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Volume Resistance |
100 |
>.cm |
1012-1013 |
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Electric Characteristic |
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300 |
>1010 |
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Dielectric Strength |
KV/mm |
18 |
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Dielectric Constant |
100MHz(E) |
9.5 |
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