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Factory Cheap Hot Black Sealing - Alumina Ceramic Rings – Xindeng

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We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for Pump Seals , Repair Kit Hp Seal , Metal Bellows Mechanical Seal , Customers' benefit and satisfaction are always our biggest goal. Please contact us. Give us a chance, give you a surprise.
Factory Cheap Hot Black Sealing - 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:

Factory Cheap Hot Black Sealing - Alumina Ceramic Rings – Xindeng detail pictures

Factory Cheap Hot Black Sealing - Alumina Ceramic Rings – Xindeng detail pictures

Factory Cheap Hot Black Sealing - Alumina Ceramic Rings – Xindeng detail pictures

Factory Cheap Hot Black Sealing - Alumina Ceramic Rings – Xindeng detail pictures


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Adhering to your principle of "quality, assistance, performance and growth", we have now gained trusts and praises from domestic and international customer for Factory Cheap Hot Black Sealing - Alumina Ceramic Rings – Xindeng, The product will supply to all over the world, such as: Thailand, Naples, Toronto, Look forward to the future, we'll focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let's develop market by fully utilizing our in depth advantages and strive for building.
  • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Kay from Jamaica - 2017.09.29 11:19
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Marco from Croatia - 2017.08.16 13:39

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