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Good Wholesale Vendors Grundfo Seal - Alumina Ceramic Rings – Xindeng

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Our commission is always to provide our customers and clientele with best quality and aggressive portable digital products for Static Ring , Oem Seal , Chesterton Mechanical Seals , Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!
Good Wholesale Vendors Grundfo 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

 

 


Product detail pictures:

Good Wholesale Vendors Grundfo Seal - Alumina Ceramic Rings – Xindeng detail pictures

Good Wholesale Vendors Grundfo Seal - Alumina Ceramic Rings – Xindeng detail pictures

Good Wholesale Vendors Grundfo Seal - Alumina Ceramic Rings – Xindeng detail pictures

Good Wholesale Vendors Grundfo Seal - Alumina Ceramic Rings – Xindeng detail pictures


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"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system for Good Wholesale Vendors Grundfo Seal - Alumina Ceramic Rings – Xindeng, The product will supply to all over the world, such as: Algeria, Zimbabwe, Cambodia, We hope we can establish long-term cooperation with all of the customers. And hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you need!
  • This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Monica from Zurich - 2017.08.21 14:13
    It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.
    5 Stars By Bertha from Ukraine - 2017.06.19 13:51

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