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White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized

White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized

  • White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized
  • White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized
  • White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized
White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized
Product Details:
Place of Origin: China,Guangdong
Brand Name: Mingrui
Certification: ISO9001:2015,,CE
Model Number: Customized
Payment & Shipping Terms:
Minimum Order Quantity: 10 pieces
Price: negotiable
Packaging Details: standard export cartons
Delivery Time: 10-15 working days after the order confirmed
Payment Terms: Western Union, L/C, T/T, D/P, D/A, MoneyGram
Supply Ability: 500 pieces week
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Detailed Product Description
Tolerance: 0.001mm Used For: Electro-Insulation
Material: Silicon Nitride, Silicon Nitride, Silicon Nitride Keyword1: Silicon Nitride Sealing Ring
Keyword2: Si3N4 Ceramic Dielectric Constant:: 8.0(1MHz)
Flatness: 0.002mm Hardness: 85~90 HRA
High Light:

ceramic mechanical seal


zirconia ceramic ring

 White Si3N4 Ceramic Silicon Nitride Sealing Ring Accept Customized Design


Manufacturing technique:

  • Uni-axial pressing
  • Iso-static pressing
  • Extrusion
  • Slip casting



  • High strength over a broad temperature range
  • Moderate thermal conductivity
  • Low coefficient of thermal expansion
  • Moderately high elastic modulus
  • Excellent thermal shock resistance
  • Ability to withstand high structural loads to high temperature
  • Superior wear resistance
  • Unusually high fracture toughness


Product Ceramic seal ring, ceramic seal face
Material used 96% alumina , SiC, ZrO2
Forming method Hot pressing/ dry pressing/Iso-pressing
Color White, black
Size capability
Outer diameter and overall length

The max. OD can be up to 120mm.

Precision processing Flat grinding; Cylinderical grinding
Key performance

Flatness:≤0.0009mm; Perpendicularity:≤0.005mm; Parallelism:≤0.005mm; Roughness:≤0.4

No crack, no bubble, no scrach on surface


1.High mechansim strength and rigidity,

2.Excellent hardness and anti- chemical & aging-resistant,

3.Exceptional wear- resistance with low friction and self-lubrication,

4.Resistant high & low temperature,

5.Easy to protyping to mass production and cost& amp; nbsp;effective.

Quality inspection

Fully inspection: visual & key dimensions every batch;

Sampling inspection: regular dimensions and performance parameters

Lead time

Custom made samples: 25~30 business days

Volume production: 15~20 business days

Packing method

Inner package: vacuum packing with;

Outer package: Export carton;

Shipment port Shenzhen port, Hongkong port
Application Widely used as seal ring in varity of pump, centrifuge and compressor and so on.
  • Small part-size and large part size capability.
  • Perfect metallized-seal strength and hermeticity.
  • Consistent performance with all common braze alloys.
  • Custom Metallized ceramic in aluminum oxide ceramics prototype to high volume production capacity.
    White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized 0

    Product Picture:
     White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized 1White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized 2
     White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized 3
    Company Introduction:
    Dongguan Ming Rui Ceramic Technology Co., LTD., a professional manufacturer of machined ceramic parts, has 10 senior engineers and lots of technicians. We produce strengthened structure zirconia ceramic bar, ceramic tube, ceramic shaft, ceramic plate, ceramic sleeve, ceramic valve, ceramic plunger and ceramic arm. The products are applicable to instruments, medical instruments, clocks and electronic products, mills, energy and power, machine and metals, autocar and military and some other high-end areas.
    In cooperation with Tsinghua University, we've achieved great successes in particular requirements. With our professional knowledge and business experience in machined ceramic parts, low-budget and high-performance new ceramic products are made of high–quality raw materials. The value of our ceramic products is greatly increased due to the composite technology and precise processing.
    Our high efficiency machined ceramic parts, perfect service and good reputation roots in our professional machined ceramic technology, continuous innovation, great sincerity and our pursuit for sustainable development. We have a unique technnology called “mirror polishing” that has improved the brightness, color, smoothness of our ceramic parts.
    Factory Shows
     White Si3N4 Ceramic Silicon Nitride Sealing Ring Customized 4

Custom OEM will be shipped within 15 days after determining the parameters
The samples will be shipped within 3 days
Quick Delivery Via Fedex,DHL,UPS,TNT Etc.
Support customer to designate shipping company
For more informations (the price,delivery time,moq etc)about the ceramic plates, please contact us or



CEO: Admin deng

Dongguan Mingrui Ceramic Tech. Co. Ltd.

Add: No.21 Chuangxing Rd., 2nd Industrial Zone of Shangsha,

Chang'an town, Dongguan city, Guangdong, China 523867



1. Monthly Capacity: 50,000-60,000 pcs;
2. Material: OEM or as per your suggestion;
3. Lead time: about 7-20 days, pls confirm the quantities required;
4. Incoterm: FOB, CFR, CIF;
5. Delivery Cost: It is determinated by the destination port;
6. Payment Term: PayPal; T/T; L/C.
7. Shipment: by sea, by air, by courier, by post, etc.


Contact Details
Dongguan Ming Rui Ceramic Technology Co.,ltd

Contact Person: Admin deng

Tel: 86-18122974730

Send your inquiry directly to us (0 / 3000)