Gold Member Since 2014
Audited Supplier
Shanghai Gongtao Ceramics Co., Ltd.

Alumina Ceramic Plate, Ring, Solid Plate manufacturer / supplier in China, offering 99% Alumina Ceramic Solid Plate, Ceramic Spring Tension, Titanium Oxide Ceramic Eyelet and so on.

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99% Alumina Ceramic Solid Plate

FOB Price: US $0.1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $0.1/ Piece
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Production Capacity: 50000 PCS/Year
Transport Package: Plywood Case
Payment Terms: L/C, T/T, Money Gram, Western Union

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Basic Info
  • Model NO.: GT-0208
  • Feature: Long Time Materials
  • Shape: Plate
  • Trademark: SHANGTAO
  • Origin: Shanghai
  • Refractoriness (℃): 1770< Refractoriness< 2000
  • Type: Refractory Material
  • Material: Alumina Block
  • Specification: RoHS
  • HS Code: 8547100000
Product Description
High alumina purity: Al2o3>99%, good corrosion resistance.
High temperature resistance, 1600C in long use, 1800C in short use.
Good thermal shock, no easy to crack.
High slip casting density
ItemAlumina milling pot
Chemical componentAl 2 O 3≥99
R 2 O≤0.2
Fe 2 O 3≤0.1
SiO 2≤0.2
Vol.density(g/cm 2 ) ≥3.80
Apparent Porosity(%)<1
Bending Strength(Mpa)>350
Compression strength
Permittivity ∑(1MH z )2
The max.operating temperature1800

PurposeMain purpose of crucible and sagger  is as a container for analysis and firing of material and product applied in various industries. For example: analysis of coal, melting of the metal, analysis and firing of chemical raw materials, analysis and melting of glass, analysis and firing of rare earth  materials and mineral,firing of high
temperature items such as ceramic products and melting of single-crystal raw materials.
UseUnder normal circumstances,firstly put  the items which need to be analyzed and fired into the crucible or sagger.Then heat. The speed of heating and drop in temperature are  according to the characteristics of equipment and products, fast or slow.Because of the thermal expansion of raw material which the crucibles and saggers are made of, too quick heating or cooling will easily lead to cracking of  the crucibles and saggers.The best way is slowing down,which can prolong the life of them.

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