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Industrial Wear Resistance Polished Tap Alumina Ceramic Seal Disc for Pump Seal
Ceramic Seal made of alumina ceramic — Type Ceramic Parts, Application Pump Seals, Valve Seals. MOQ 1,000 sets, US$0.25 – 5.00/set. Factory-direct from China.
- Material
- Alumina Ceramic
- Type
- Ceramic Parts
- Application
- Pump Seals, Valve Seals
- Feature
- Corrosion Resistance, Superb Wear Resistant
- Product Name
- Alumina Ceramic Sealing Disc
- Surface Finish
- Diamond-Like Polishing
At a glance
- Product
- Industrial Wear Resistance Polished Tap Alumina Ceramic Seal Disc for Pump Seal
- Category
- Ceramic Seal
- Price
- US$0.25 – 5.00 / set
- Minimum order
- 1,000 sets
- Origin
- China
- Customization
- Available
- Packaging
- Individual Packaging
- HS code
- 8547100000
Last updated
Specifications
| Customization | Available |
|---|---|
| Application | Pump Seals, Valve Seals |
| Material | Alumina Ceramic |
| Model NO. | Customized |
| Product Name | Alumina Ceramic Sealing Disc |
| Feature | Corrosion Resistance, Superb Wear Resistant |
| Surface Finish | Diamond-Like Polishing |
| Tolerance | 1% of The Size |
| Useage | Sealing Core of Pump, Valve, Faucet |
| Type | Ceramic Parts |
| Transport Package | Individual Packaging |
| Specification | Max. OD to be 500mm |
| Origin | China |
| HS Code | 8547100000 |
| Production Capacity | 5000000 Sets/Month |
| Package Size | 36.00cm * 20.00cm * 24.00cm |
| Package Gross Weight | 8.000kg |
| 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 seat, ceramic ball valve. |
| Property | Units | Materials | ||||
|---|---|---|---|---|---|---|
| 99.5%Al2O3 | 99%Al2O3 | 95%Al2O3 | ZrO2 | Si3N4 | ||
| 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 |
Product details
Industrial Wear Resistance Polished Tap Alumina Ceramic Seal Disc for Pump Seal is a ceramic seal product (ceramic parts) manufactured in China and available to buyers worldwide through the GoodsFromChina sourcing service. Typical uses include Pump Seals, Valve Seals.
Key features
- Material: Alumina Ceramic
- Type: Ceramic Parts
- Application: Pump Seals, Valve Seals
- Feature: Corrosion Resistance, Superb Wear Resistant
- Product Name: Alumina Ceramic Sealing Disc
- Surface Finish: Diamond-Like Polishing
- Tolerance: 1% of The Size
- Useage: Sealing Core of Pump, Valve, Faucet
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 seat, ceramic ball valve.
Ordering & packaging
Minimum order quantity is 1,000 sets. Standard export packaging: Individual Packaging. HS code: 8547100000. Every order can include a pre-shipment quality inspection and consolidated shipping by sea, air or express, including DDP delivery.
How we source this product for you
- 1
Send your inquiry
Choose options, quantity and requirements. No payment needed.
- 2
Get a factory quote
We confirm price, MOQ and lead time — and compare alternatives.
- 3
Production & inspection
We follow up production and inspect goods before shipment.
- 4
Delivered to your door
Sea, air or express with customs clearance and DDP options.
Frequently asked questions
What is the minimum order quantity for Industrial Wear Resistance Polished Tap Alumina Ceramic?
The MOQ is 1,000 sets. Smaller trial orders can sometimes be negotiated — tell us your quantity in the inquiry.
How much does Industrial Wear Resistance Polished Tap Alumina Ceramic cost?
The listed factory price is US$0.25 – 5.00 per set, depending on quantity. Your final quote includes our service fee and shipping options.
Can it be customized with my logo or specifications?
Yes. The manufacturer offers customization — logo printing, packaging, colors or modified specifications. Describe your requirements in the inquiry form.
How long does production and shipping take?
Typical production time is 15–45 days depending on quantity. Shipping to the US takes about 5–8 days by express, 8–12 days by air and 25–40 days by sea, with DDP door-to-door delivery available.
How do you check product quality?
We verify the manufacturer before ordering and can perform a pre-shipment inspection (AQL sampling) with a photo report before you pay the balance.















