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China Manufacturer for Rubber Sealing Ring - Alumina Ceramic Rings – Xindeng

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Every member from our high efficiency sales team values customers' needs and business communication for Wiper Seal , Burgmann Mechancial Seals , Wiper Seal , With the eternal goal of "continuous quality improvement, customer satisfaction", we are sure that our product quality is stable and reliable and our products are best-selling at home and abroad.
China Manufacturer for Rubber Sealing Ring - 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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China Manufacturer for Rubber Sealing Ring - Alumina Ceramic Rings – Xindeng detail pictures

China Manufacturer for Rubber Sealing Ring - Alumina Ceramic Rings – Xindeng detail pictures

China Manufacturer for Rubber Sealing Ring - Alumina Ceramic Rings – Xindeng detail pictures

China Manufacturer for Rubber Sealing Ring - Alumina Ceramic Rings – Xindeng detail pictures


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We pursue the administration tenet of "Quality is superior, Services is supreme, Standing is first", and will sincerely create and share success with all customers for China Manufacturer for Rubber Sealing Ring - Alumina Ceramic Rings – Xindeng, The product will supply to all over the world, such as: Chile, Portugal, UK, We insist on "Quality First, Reputation First and Customer First". We are committed to providing high-quality products and good after-sales services. Up to now, our products have been exported to more than 60 countries and areas around the world, such as America, Australia and Europe. We enjoy a high reputation at home and abroad. Always persisting in the principle of "Credit, Customer and Quality", we expect cooperation with people in all walks of life for mutual benefits.
  • In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Barbara from Greece - 2018.09.23 18:44
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Cora from Ghana - 2018.06.12 16:22

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