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Al2O3 99.99% 2.5-6.0mm 1kg - 0489182

Quantity

1 kg500 g

Al2O3 99.99% 2.5-6.0mm 1kg - 0489182

Specifications

Coating material

Aluminium oxide

Purity

99.99%

Form

Granulate

Dimensions

2.5 - 6.0 mm

Quantity

1 kg

Theoretical density at 20°C in g/cm³

~ 4.0

Melting point in °C

2000-2072

Temperature at vapor pressure

10⁻² mbar in °C

2050

10⁻¹ mbar in °C

2200

Boiling point in °C

2920-3040

Type of evaporation

Melting

Good

Evaporation source (typically)

E-gun

Boat

Boat material

Mo

Good

Specific evaporation conditions

Preparation of base melt (premelt)

Good

Reactive gas pressure

Good

Substrate temperature range

100 - 200 °C

Good

200 - 300 °C

Good

Film transparency

Low

~ 0.19

High

~ 7

Film refractive index n / extinction coefficient k

at 550 nm: n

1.60-1.68

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