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Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng

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We know that we only thrive if we could guarantee our combined price tag competiveness and quality advantageous at the same time for Pump Seals , Sealing Part , Pure Ptfe Sic Seal Ring , Our customers mainly distributed in the North America, Africa and Eastern Europe. we will source top quality goods using the really aggressive selling price.
Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng Detail:

ceramic-sleeve(1)

 

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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Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng detail pictures

Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng detail pictures

Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng detail pictures

Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng detail pictures


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Quality comes first; service is foremost; business is cooperation" is our business philosophy which is constantly observed and pursued by our company for Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng, The product will supply to all over the world, such as: Moldova, Indonesia, Jamaica, We aspire to meet the demands of our customers globally. Our range of products and services is continuously expanding to meet customers' requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Chloe from Detroit - 2017.11.12 12:31
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Miriam from Sri Lanka - 2017.08.16 13:39

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