Place of Origin : China
Brand Name : FFTC
Certification : ROHS、ISO9001
MOQ : 2000pcs
Packaging Details : Several products in a carton, then wooden carte. Or following customers’ requirement.
Delivery Time : Depends on the quantity, always within 30days
Payment Terms : L/C、T/T、Western Union
Supply Ability : 5000pcs/month
0.03μm Flatness Compressive Resistance Alumina Ceramic Wearable Discs For Sensing
95%Al2O3 ceramic discs,mailly applicated to temperature modulatory valve,conversion valve,modulatory valve of
surf and massage bathtub,LPG valves
1, Flatness≤0.03μm,roughness≤0.3μm
2, Parallelism≤0.05mm,Hardness HRA≧85
3,Good hermetical, compressive resistance,flexual resistance,using longevity will be above 500 thousand times.
95%~99% AL2O3 Aluminum Oxide ceramic boxes With Surface Finish Ra 0.4/ sim Ra 0.8
Description:
1. Material: 95%~99% AL2O3
2. Method of molding: thermal casting, CIP
3. Color: white, Ivory White
4. Sintering temperature: 1600~1750℃
5. Surface finish: Ra0.4&simRa0.8&mum
6. Packing: Pack with carton and ship with wooden case
7. Produce products according to molds or drawings provided by the client and quote according the data of the
products
8. The mould fee of the non-standard products: According the quotation of product
Applications:
Alumina ceramics with superior strength, hardness, insulation, thermal conductivity, high temperature, oxidation
resistance, corrosion resistance, abrasion resistance, high temperature strength and other characteristics, it has
been widely used in engineering, mechanical seals, electronics, instrumentation, sensing, transport,
communications, and other occasions or areas. The content of 99.7%, 99%, 95% alumina products contains
the crucible, sockets, valves, electrodes, spools, wear board, alumina balls, electronic porcelain, textile porcelain
pieces, and other shaped pieces.
Specifications:
95%,99%,99.7% Al2O3 Material Parameters:
Item | Test Condition | Unit Symbol | 95%Alumina ceramics | 99%Alumina ceramics | 99.7%Alumina ceramics |
The main chemical ingredient | Al2O3 | Al2O3 | Al2O3 | ||
Bulk Density | g/cm3 | 3.6 | 3.89 | 3.96 | |
Maximum Use Temperature | 1450℃ | 1600℃ | 1650℃ | ||
Water absorption | % | 0 | 0 | 0 | |
ROHS Hardness | ≥85 | ≥89 | ≥89 | ||
Flexural strength | 20° C | MPa (psi x 103) | 358 (52) | 550 | 550 |
Compressive Strength | 20° C | MPa (psi x 103) | 2068 (300) | 2600(377) | 2600(377) |
Fracture Toughness | K(I c) | Mpa m1/2 | 4-5 | 5.6 | 6 |
Coefficient of thermal expansion | 25-1000° C | 1X 10-6/°C | 7.6 | 7.9 | 8.2 |
Coefficient of thermal conductivity | 20° C | W/m °K | 16 | 30.0 | 30.4 |
Thermal Shock Resistance | Tc | °C | 250 | 200 | 200 |
Dielectricity constant | 1MHz.25℃ | 9 | 9.7 | 9.7 | |
Dielectric strength | ac-kV/mm (ac V/mil) | 8.3 (210) | 8.7 (220) | 8.7 (220) | |
Volume Resistivity | 100℃ | ohm-cm | > 1013 | > 1014 | > 1014 |
![]() |
0.03μm Flatness Compressive Resistance Alumina Ceramic Wearable Discs For Sensing Images |