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Laboratory Use Alumina Crucible
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Product: Views:138Laboratory Use Alumina Crucible 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-10-19 23:01
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LABORATORY USE ALUMINA CRUCIBLE

Alumina crucibles' features:
1, High purity: Al2O3> 99%, good chemical corrosion resistance
2, Good temperature endurance, long-term use at 1600 °C, 1800 °C short-term
3, Good rapid thermal shock resistance, not easy to burst
4 , Slip Casting with high density

Product Description:
Arc Straight alumina ceramic crucibles' basic functions:
Name: straight alumina crucibles
Chemical Composition Al2O3 ≥ 99
R2O ≤ 0.2
Fe2O3 ≤ 0.1
SiO2 ≤ 0.2
Volume density (g/cm2) ≥ 3.80
Apparent porosity &lpar;&percnt;&rpar; <1
Bending strength &lpar;Mpa&rpar;> 350
Compressive strength &lpar;Mpa&rpar;> 12000
Dielectric constant Σ &lpar;1MHz&rpar; 2
The highest operation temperature &lpar;°C&rpar; 1800
Best roast container for making powder TV&comma; rare earth materials&comma; precious metals&comma; and roasting high&comma; medium and low ceramic capacitors&comma; NTC&comma; PTC piezoelectric ceramic and lithium cobalt oxide&comma; lithium manganese oxide powder&period;
Material Unit Steatite 95&percnt; alumina ceramics 99&period;5&percnt; alumina ceramics
Density G&sol;cm3 2&period;7 3&period;65 3&period;85
Highest application temperature °C 1100 1500 1800
Bending strength Mpa 150 300 340
Compressive strength Mpa 900 3400 3600
Hardness HV0&period;5 800 1800 2000
Insulation breakdown strength KV&sol;mm 10 15 18
Processing technology
Process range&lpar;mm&rpar;
Outside Diameter 1-300
Inside Diameter 0&period;5-300
Length 0&period;5-1200
Accuracy of working&lpar;mm&rpar;
Perpendicularity 0&period;01
Concentricity 0&period;01
Roundness 0&period;005
Straightness 0&period;005
Parallelism 0&period;01
Planeness 0&period;005
Roughness 0&period;05
Fit clearance 0&period;005

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