Application: | Structure Ceramic, Industrial Ceramic, Mechanical Seal |
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Type: | Ceramic Parts |
Product Name: | Water Tap Alumina Ceramic Disc |
Samples: |
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Prime benefit of the ceramic seal disc
Remark:
We produce a variety of technical ceramic seals in different materials, also different types of ceramic seals, including ceramic sealing disc, ceramic seal ring, ceramic valve seat, ceramic ball valve.Property | Units | Materials |
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99.5%Al2O3 |
99%Al2O3 |
95%Al2O3 |
ZrO2 |
Si3N4 |
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Density |
g/cm3 |
≥3.90 |
≥3.85 |
≥3.65 |
≥6.0 |
≥3.2 |
Water absorption |
% |
0 |
0 |
0 |
0 |
0 |
Hardness |
HV |
1700 |
1700 |
1500 |
1300 |
1550 |
Flexural strength |
Mpa |
≥379 |
≥338 |
≥320 |
≥1200 |
≥600 |
Compressive strength |
Mpa |
≥2240 | ≥2240 | ≥2000 | ≥1990 | ≥2500 |
Fracture toughness |
Mpa m1/2 | 4-5 | 4-5 | 3-4 | 6.5-8 | 6 |
Max. service temperature (Non-loading) |
ºC | 1675 | 1600 | 1500 | 1000 | 1200 |
CTE (20-800ºC) |
1×10 -6 /ºC | 6.5~8.0 | 6.2~8.0 | 5.0~8.0 | 8.0~9.5 | 3.1 |
Thermal shock |
T(ºC) | ≥250 | ≥200 | ≥220 | ≥300 | ≤1000 |
Thermal conductivity(25ºC) |
W/m.k | 30 | 29 | 24 | 3 | 15~20 |
Volume resistivity (25ºC ) |
ohm.cm | >1 x 10 14 | >1 x 10 14 | >1 x 10 14 | >1 x 10 11 | >1 x 10 12 |
Insulation strength |
KV/mm | 19 | 18 | 18 | 17 | |
Dielectric constant(1Mhz) |
(E) | 9.7 | 9.5 | 9.5 | 29 |
1. 10+ Years of manufacturing experience in OEM, ODM, and trusted & professional teams
2. Powerful R&D, prototyping & mass production capability to support trial order and high volume production
3. In-house comprehensive manufacturing types of equipment from raw materials to high precision machining
4. Rigorous quality control system and processes, including IQC, IPQC, QA, OQC in working instructions
5. Surpassing pre-sales, sales, and after-sales service abide all orders every customer as the first priority
Q1. Are you a factory or trading company?
A: We are a manufacturer. You are welcome to visit our factory.Suppliers with verified business licenses