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China Supplier Type 21 Mechanical Seal - Alumina Ceramic Rings – Xindeng

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The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme for Silicon Carbide Seal Ring , Burgmann M7n , Mechanical Seals Manufacturers , We are sincerely looking forward to cooperate with buyers all around the world. We imagine we will satisfy you. We also warmly welcome shoppers to visit our organization and purchase our merchandise.
China Supplier Type 21 Mechanical Seal - Alumina Ceramic Rings – Xindeng Detail:

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Technical Parameters

Operating Limits Units Alumina Ceramics Alumina Ceramics
Alumina Content wt% ≥ 99 ≥ 95
Volume Density g /cm3 3.85 3.7
Hardness  (HRA) HRA ≥ 88 86
Compressive Strength MPa ≥ 400 300
Maximum Temperature ℃  1500 1500
Air Tight Test   Pass Pass
Thermal Shock Test   Pass Pass
Coefficient Of Heat Expansion ×10-6/℃ 8.2 7.5
Dielectric Constant εr20℃, 1MHz 9.2 9
Dielectric Loss tanδ×10-4, 1MHz 2 3
Volume Resistivity Ω·cm 20℃ 1014 1013
Puncture Strength KV/mm , DC≥ 20 20
Acid-resistance mg/cm2 ≤ 0.7 7
Alkali-resistant mg/cm2 ≤ 0.1 0.2
Abrasion Resistance g/cm2 ≤ 0.1 0.2
Compressive Strength M Pa ≥ 2800 2500
Flexural Strength M Pa ≥ 350 200
Elastic Modulus G Pa 350 300
Poisson’s Ratio   0.22 0.2
Thermal Conductivity W/m·K( 20℃) 25 20

 

 


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China Supplier Type 21 Mechanical Seal - Alumina Ceramic Rings – Xindeng detail pictures

China Supplier Type 21 Mechanical Seal - Alumina Ceramic Rings – Xindeng detail pictures

China Supplier Type 21 Mechanical Seal - Alumina Ceramic Rings – Xindeng detail pictures

China Supplier Type 21 Mechanical Seal - Alumina Ceramic Rings – Xindeng detail pictures


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The corporation upholds the philosophy of "Be No.1 in high quality, be rooted on credit rating and trustworthiness for growth", will continue to serve outdated and new consumers from home and overseas whole-heatedly for China Supplier Type 21 Mechanical Seal - Alumina Ceramic Rings – Xindeng, The product will supply to all over the world, such as: Accra, Rwanda, Jersey, We only supply quality products and we believe this is the only way to keep business continue. We can supply custom service too such as Logo, custom size, or custom products etc that can according to customer's requirement.
  • Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Natividad from Hyderabad - 2017.09.28 18:29
    The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Sophia from Curacao - 2017.09.29 11:19

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