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Refractory Melting Vessel Alumina Corundum Ceramic Crucible

China Refractory Melting Vessel Alumina Corundum Ceramic Crucible, Find details about China Ceramic Casting Crucible, Al2O3 Crucible from Refractory Melting Vessel Alumina Corundum Ceramic Crucible

Usage
Industrial Furnace
Max Working Temperature
1600-1800 Degree
Keywords
Alumina Ceramic Tube
Product Name
Ceramic Crucible
Trademark
Synthe
Transport Package
Woodencase
Specification
Customized
Origin
Zhengzhou, Henan
Usage
Industrial Furnace
Max Working Temperature
1600-1800 Degree
Keywords
Alumina Ceramic Tube
Product Name
Ceramic Crucible
Trademark
Synthe
Transport Package
Woodencase
Specification
Customized
Origin
Zhengzhou, Henan
Products Description
Corundum ceramic crucible, also known as alumina crucible, 99.70% corundum crucible has good high-temperature insulation and mechanical strength in the atmosphere of oxidation and reduction. High thermal conductivity, small thermal expansion.Does not react with air, water vapor, hydrogen, carbon monoxide, and so on above 1700ºC.Short-term maximum service temperature 1800ºC. It is usually used for smelting precious metals, nickel, And other metals, with excellent chemical resistance and high-temperature resistance.
Refractory Melting Vessel Alumina Corundum Ceramic Crucible
Refractory Melting Vessel Alumina Corundum Ceramic Crucible

Feature

1. High purity: Al2O3>99%, good chemical corrosion resistance

2, good temperature resistance, long-term use at 1600ºC, short-term 1800ºC

3 . Corundum ceramic aluminum crucible is suitable for melting samples with anhydrous Na2CO3 and other weak alkaline substances as flux, but not suitable for melting samples with Na2O2, NaOH, and other strong alkaline substances and acidic substances as flux (such as K2S2O7 and so on)
Refractory Melting Vessel Alumina Corundum Ceramic Crucible
Refractory Melting Vessel Alumina Corundum Ceramic Crucible
Technical Parameters

Item

Unit

Corundum Material

Al2O3 Content  

%

99.3

SiO2 Content 

%

-

Density  

g /cm3

3.88

Water Absorption 

%

0.01

Compression Strength at Room Temperature

 

MPa

350

Leakage Rate  20ºC 

Torr/ L. Sec

<10-11

Bending Strength 

mm

≤0.2mm  1600ºC

Bonding at High Temperature 

-

No Bonding  1600ºC

Thermal Expansion Coefficient 20-1000ºC

mm. 10-6/ºC. m

8.2

Thermal Conductivity

W/ m. k

25

Electric Insulation Strength

VK/ mm

20

DC Insulation Resistance 20ºC

Ohm/ cm

1014

High-Temperature Insulation Resistance

1000ºC MΩ

≥0.08

 

1300ºC MΩ

      ≥0.02

Resistance To Thermal Shock

-

No Cracks  1550ºC for 4 times

Max. Temperature  

ºC

1800

Refractory Melting Vessel Alumina Corundum Ceramic Crucible
Refractory Melting Vessel Alumina Corundum Ceramic Crucible


Company Information
Refractory Melting Vessel Alumina Corundum Ceramic Crucible
Henan Synthe Corporation adhering to more than a decade of manufacturing and promotion experience of the superhard furnace works on manufacturing and selling of  Aludum ceramic crucible, Aludum ceramic tube, Aludum ceramic balls and Muffle Furnace, Dental Furnace, Tube Furnace, Vacuum Furnace, CVD/PCEVD Furnace and Heat Treatment Furnace. We continuously provide high efficient solutions and excellent after-sale service. We have advanced efficient manufacturing technology and an excellent team,  Looking forward to cooperating with you. Thank you.

FAQ:
Q1: When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of getting the price.

Q2: When will you ship it?
A: If the products have storage, we'll ship within 48 hours

Q3: Is it available to provide customized products?
A: We always support custom-made demand as per different materials, dimensions, and designs.

Q4: How to ensure quality?
A: The dimension out of any batch will be carried out sampling inspection per international AQL standard. A 100% cosmetic inspection will be done.

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