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China Factory for Ptfe Bellow Seal - Alumina Ceramic Rings – Xindeng

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"Quality initial, Honesty as base, Sincere support and mutual profit" is our idea, so as to build repeatedly and pursue the excellence for Carbide Seals , Ptfe Spring Seals , High Temperature Mechanical Seal , We wish to just take this opportunity to ascertain long-term enterprise relationships with clients from all over the earth.
China Factory for Ptfe Bellow 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 Factory for Ptfe Bellow Seal - Alumina Ceramic Rings – Xindeng detail pictures

China Factory for Ptfe Bellow Seal - Alumina Ceramic Rings – Xindeng detail pictures

China Factory for Ptfe Bellow Seal - Alumina Ceramic Rings – Xindeng detail pictures

China Factory for Ptfe Bellow Seal - Alumina Ceramic Rings – Xindeng detail pictures


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We're commitment to offer you the competitive price ,remarkable products excellent, also as fast delivery for China Factory for Ptfe Bellow Seal - Alumina Ceramic Rings – Xindeng, The product will supply to all over the world, such as: Myanmar, Austria, Pakistan, We put the product quality and customer's benefits to the first place. Our experienced salesmen supply prompt and efficient service. Quality control group make sure the best quality. We believe quality comes from detail. If you have demand, let us work together to get success.
  • Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Laurel from Swansea - 2018.09.23 17:37
    The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
    5 Stars By Elaine from Jamaica - 2018.09.08 17:09

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