Jinghui Industry Limited
| Payment Terms | T/T, Western Union, MoneyGram, Paypal, , L/C |
| Supply Ability | 100000 sets per month |
| Delivery Time | 3~4 weeks |
| Packaging Details | Plastic bag with export carton |
| Product name | Ceramic Seal Ring |
| Material | 95% , 99%, 99.5% alumina |
| Type | Ceramic ring |
| Color | Purity white |
| Size | OD is up to 100mm |
| Feature | High Temperature Resistance |
| Tolerance | as design drawing or OEM |
| Shape | Customized Designs |
| Surface treatment | Diamond-polished |
| Application | Ceramic seal ring for for pump sealing |
| Brand Name | Jinghui Ceramics |
| Model Number | JH.CR.001 |
| Certification | RoHS |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram, Paypal, , L/C | Supply Ability | 100000 sets per month |
| Delivery Time | 3~4 weeks | Packaging Details | Plastic bag with export carton |
| Product name | Ceramic Seal Ring | Material | 95% , 99%, 99.5% alumina |
| Type | Ceramic ring | Color | Purity white |
| Size | OD is up to 100mm | Feature | High Temperature Resistance |
| Tolerance | as design drawing or OEM | Shape | Customized Designs |
| Surface treatment | Diamond-polished | Application | Ceramic seal ring for for pump sealing |
| Brand Name | Jinghui Ceramics | Model Number | JH.CR.001 |
| Certification | RoHS | Place of Origin | China |
| High Light | alumina ceramic disc ，ceramic disc tap washers | ||
1. Superb chemical stability against hot strong acid and alkali and free of rust forever
2. Excellent wear-resistance and abrasion resistance, over 276 times than stainless steel
3. Perfect sliding surface quality: diamond-like surface, the roughness to be Ra0.1
4. High-temperature resistance, stand with over 1500℃ free of deformation
5. Exceptional hardness, the physical hardness is up to 1700MPa
6. Great mechanical properties, hardness, compressive and flexural strength
7. Precise and consistent dimensions every batch via fine grinding, CNC machining
8. Eco-friendly and safe, the material meets FDA, LFGB completely
9.Stable breaking strength, and less variance in figure or dimension
| Available materials | 95%, 99%, 99.5% alumina, silicon carbide (SiO2) and Silicon nitride (Si3N4) |
| Roughness | Fine polishing better than Ra0.3, diamond polishing better than Ra0.1 |
| Dimension | The max. outer diameter up to 50mm |
| Other parameters | Flatness to be 0.002mm, perpendicularity: 0.005mm, Parallelism : 0.002mm |
| Nominal tolerance | Size less than 10mm with 0.10mm, size over than 10mm with 1% of dimensions |
| Precision process | Polishing, fine grinding, CNC machining |
| Property | Units | Materials | ||||
| 99.5%Al2O3 | 99%Al2O3 | 95%Al2O3 | ZrO2 | Si3N4 | ||
| Density | g/cm3 | ≥3.85 | ≥3.80 | ≥3.60 | ≥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) | ℃ | 1675 | 1600 | 1500 | 1000 | 1200 |
| CTE (20-800℃) | 1×10 -6 /℃ | 6.5~8.0 | 6.2~8.0 | 5.0~8.0 | 8.0~9.5 | 3.1 |
| Thermal shock | T(℃) | ≥250 | ≥200 | ≥220 | ≥300 | ≤1000 |
| Thermal conductivity(25℃) | W/m.k | 30 | 29 | 24 | 3 | 15~20 |
| Volume resistivity (25℃ ) | 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. We will keep the ceramic parts inside the inner package to be fixed without moving, then it will prevent them from collision each other, to avoid any cause any chippings during transportation.
2. In addition, the inside of the outer carton will be filled with sufficient protective kinds of stuff.
Q1. Are you a factory or trading company?
A: We are a manufacturer. You are welcome to visit our factory.
Q2: Do you send a sample to check?
A: Sure, the sample is free and freight collect.
Q3: When will you ship it?
A: If the products are in storage, we'll ship within 48 hours
Q4: When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of getting the price.
Please call us or tell us in your email so that we will proceed with your inquiry as a priority.
Q5: Is it available to provide customized products?
A: We always support custom-made demand as per different materials, dimensions, and designs.
Q6: How to ensure quality?
A: The dimension out of any batch will be carried out sampling inspection per international AQL standard. A 100% cosmetic inspection will be done.
Q7: What other products are you dealing with?
A: We focus on a variety of ceramic tubes, ceramic substrates, ceramic sheets, textile ceramics besides metalized ceramics.
Company Details
Business Type:
Manufacturer
Year Established:
2005
Total Annual:
6000000-7000000
Employee Number:
180~200
Ecer Certification：
Active Member
Jinghui Industry Ltd is a trusted and professional manufacturer of technical ceramic components, we dedicated to developing, manufacturing, sales, and service of a variety of industrial ceramic parts over 15 years since its establishment in 2005. The facility focus on producing metalized ceramics... Jinghui Industry Ltd is a trusted and professional manufacturer of technical ceramic components, we dedicated to developing, manufacturing, sales, and service of a variety of industrial ceramic parts over 15 years since its establishment in 2005. The facility focus on producing metalized ceramics...
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