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

Alumina Ceramics Crucible, Ceramic Crucible, Classic Shaped Crucible manufacturer / supplier in China, offering Laboratory Small Size Alumina Ceramic Boat, C799 Al2O3 Alumina Ceramic Tube for Furnace Processing, High Pure 95% Al2O3 Ceramic Disk for Heating Support and so on.

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Laboratory Small Size Alumina Ceramic Boat

FOB Price: US $0.1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $0.1/ Piece
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Port: Shanghai, China
Production Capacity: 50000 PCS/Year
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: GT-0403
  • Feature: Long Time Materials
  • Shape: Crucible
  • Trademark: SHANGTAO
  • Specification: RoHS
  • Refractoriness (℃): Refractoriness> 2000
  • Type: Heat-Resistant Material
  • Material: Alumina
  • Transport Package: Plywood Case
  • Origin: Shanghai
Product Description
Gongtao company can make various crucibles and saggers made of high alumina,with different shapes.And we can also custom based on the requirement.
 
Series:
•Alumina ceramic crucible
•Corundum ceramic crucible
•Arc alumina crucibles(high form alumina crucibles)
•Cylindrical alumina ceramic crucibles
•Rectangular crucibles
•Special shaped crucibles
•Alumina saggers
 
Property:
Item 
Chemical componentAl2O3≥99
R2O≤0.2
Fe2O3≤0.1
SiO2≤0.2
Vol.density(g/cm2) ≥3.80
Apparent Porosity(%)<1
Bending Strength(Mpa)>350
Compression strength
(Mpa)
>12000
Permittivity ∑(1MHz)2
The max.operating temperature1800
 
Specification: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml-2500ml
Points:
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
 
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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