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99.7% Alumina Ceramic Polished Rod
  • 99.7% Alumina Ceramic Polished Rod
  • 99.7% Alumina Ceramic Polished Rod
  • 99.7% Alumina Ceramic Polished Rod
  • 99.7% Alumina Ceramic Polished Rod
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Min. Order: 1
Basic Info
Product Description Refractoriness (℃): 1770< Refractoriness< 2000 Type: Refractory Material Material: Alumina Cement Color: Ivory and White Working Temperature: 1500-1800c Transport Package: Wooden Case Origin: China Feature: Long Time Materials Shape: Rod Maximum Voltage: <10kv Al2O3: 95-99.7% Trademark: RY Specification: 99% Alumina HS Code: 8547100000 Al2O3 Alumina Ceramic Tubes\ Rod
High purity ceramic alumina tube parameters:
1.Material : High purity alumina oxide 95%-99%
2.Application:    Mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial        furnace of Alumina Ceramic Tube.   Especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout,      military project etc industry of alumina ceramic tube. 3.Good smooth and high strength
4. Diameter from 1mm to 120mm,Length from 100mm to 2000mm, 
   multi bores tubes can be made. 
5. Max working temperature 1800.
6. Out surface can be grinded drilling hole to make tight tolerance and right instillation. 
7.Large quantity in stock makes fast delivery and competitive prices.
8.OEM and ODM are welcomed 
Main performance index about alumina ceramic tube:
Project Test the condition Unit 99 porcelain 95 porcelain Talc porcelain
Backbone     99%AL2O3 95%AL2O3 MgO.SiO2
Physical property Density of volume Normal atmospheric temperature g/cm3 3.8 3.6 2.8
Airtight Normal atmospheric temperature  . .Pass Pass -
Absorbing water rate Normal atmospheric temperature % 0 0 0
Temperature that frit   °C 1800 1650 1350
Mechanical performance Rockwell hardness Normal atmospheric temperature HRA 88 86 76
Resist the intensity of turning back Normal atmospheric temperature Mpa 350 320 150
Compression strength Normal atmospheric temperature Mpa 1300 1200 900
Hot performance Use temperature at most   °C 1700 1600 1200
Heat resistant shaking 20O°C-1100O°C 10Num Pass Pass Pass
Hot coefficient of expansion 20O°C-80O°C ×10-6mm/°C 6.5-8.5 6.5-8.0 5.0-6.2
Heat-conduction rate 25°C W/m.k 29 25 2.9
300°C W/m.k 18 13 2
Dielectric constant The medium lossing 1MHz2O°C ×10-4 ≤2.5 ≤4 ≤8.0
The angle tangent is worth 1MHz8O°C ×10-4 ≤3.5 ≤4.2 -
Dielectric strength Normal atmospheric temperature KV/mm 15 16 20
Dielectric constant 1MHz2O°C   9-10.5 9-10 ≤7.5
Resistivity of volume 2O°C Ω.cm >1012 >1012 >1013
10O°C Ω.cm 1012-1013 1012-1013 1010-1011
30O°C Ω.cm >1012 3.1×109 5×108
99.7% Alumina Ceramic Polished RodWhat can we do for you?
  1. Sample is available. 2. Independent R&D, ISO manufacture, precise quality standards, modern logistics management, and sound marketing strategy. 3. Inquiry replied within 24 hours. 4. Patented products. 5. OEM or ODM is available. 6. Some extra accessories can be supplied. 7.The larger quantity you order,the more competitive prices you'll get. 8. Necessary Certificates can be supplied.     Why To Choose Us 1. Low MOQ:    It won't occupy too much of your money to help you to test the market you're going to enter. 2. R & D Center and Factory:    We have our own R & D center and factory, so we can supply you products at competitive price. 3. Good Service :    We treat clients as friends. 4. Good Quality :     We import top quality accessories to manufacture our products, we have confident we can offer you the best quality.   5. After-sales service:       One year's guarantee. Wearing accessories comes with the products to help you to reduce the repair bill.

Contact us if you need more details on Alumina Ceramic Polished Rod. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Ceramic Polished Rod、99.7% Ceramic Rod. If these products fail to match your need, please contact us and we would like to provide relevant information.

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