Corrosion Resistance Rectangular Alumina Ceramic Tray Crucible for Furnace Kiln

• Shape: Crucible
• Color: Creamy
• Refractoriness: Refractoriness> 2000
• Type: Heat-Resistant Material
• Feature: Long Time Materials
• Material: Alumina
• Transport Package: Plywood Case
• Specification: RoHS
• Trademark: SHANGTAO
• Origin: Shanghai
• HS Code: 6909190000
• Production Capacity: 50000 PCS/Year

Product Description

CUSTOMIZED ALUMINA CRUCIBLE FOR CHEMICAL APPLICATION

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 (%) <1
Bending strength (Mpa)> 350
Compressive strength (Mpa)> 12000
Dielectric constant Σ (1MHz) 2
The highest operation temperature (°C) 1800
Best roast container for making powder TV, rare earth materials, precious metals, and roasting high, medium and low ceramic capacitors, NTC, PTC piezoelectric ceramic and lithium cobalt oxide, lithium manganese oxide powder.

 

Material	Unit	Steatite	95% alumina ceramics	99.5% alumina ceramics
Density	G/cm3	2.7	3.65	3.85
Highest application temperature	°C	1100	1500	1800
Bending strength	Mpa	150	300	340
Compressive strength	Mpa	900	3400	3600
Hardness	HV0.5	800	1800	2000
Insulation breakdown strength	KV/mm	10	15	18
Processing technology
Process range(mm)
Outside Diameter	1-300
Inside Diameter	0.5-300
Length	0.5-1200
Accuracy of working(mm)
Perpendicularity	0.01
Concentricity	0.01
Roundness	0.005
Straightness	0.005
Parallelism	0.01
Planeness	0.005
Roughness	0.05
Fit clearance	0.005