Data and Facts

Melting point approx. 2000 °C
Hardness: similar to corundum (HV 250 – 350)
High wear and abrasive resistance
Dielectric constant 7 – 8
Insulation properties: dependant on oxide layer thickness
Oxide layer thickness: 1-6 µm, dependant on required insulation resistance to interturn voltage

Melting point of Al: 658° C
Mean coefficient of thermal expansion: 23.5 x 10-6/K
Temperature coefficient of electrical resistance between 1 and 100° C: 0.004 K-1
Density: 2.7 kg/dm3
Tensile strength: 70-180 N/mm2
Thermal conductivity: 2.3 W/cm x K
Electrical conductivity at 20° C: 34-36.5 m/Ohm x mm2, depending on hardness
Specific electrical resistivity at 20° C: 2.94-2.73 x 10–6 Ohm x cm, depending on hardness
Mean specific thermal capacity between 1 and 100° C: 0.92 J / g x K
Modulus of elasticity (mean value): 7 x 10-4N/mm2

Colour: natural
Material thicknesses/gauge range: 0.05 – 1.0 mm
Material widths: 3 – 260 mm
Thickness tolerance raw material: <0,2mm acc. to DIN EN 546-3, ≥0,20 +/- 1⁄2 EN (acc. to DIN EN 485-4)
Standard film thicknesses: 50 – 60 – 70 – 80 – 90 – 100 – 125 – 150 – 175 – 200 – 250 µm
Standard strip thicknesses: 0.3 – 0.35 – 0.4 – 0.45 – 0.5 – 0.6 – 0.7 – 0.8 – 0.9 – 1/0 mm
Other dimensions available upon request.

Base material: pure aluminium Al 99.5 and E-Al 99.7
Hardness in accordance with customer specifications, hard, half hard or soft
Surface: mill finish
Film and strip: Material thicknesses / gauge range: 0.05 – 1.5 mm
Thickness tolerance raw material: <0,2mm acc. to DIN EN 546-3, ≥0,20 +/- 1⁄2 EN (acc. to DIN EN 485-4)
Standard film thicknesses: 50 – 60 – 70 – 80 – 90 – 100 – 125 – 150 – 175 –200 – 250 µm
Standard strip thicknesses: 0.3 – 0.35 – 0.4 – 0.45 – 0.5 – 0.6 – 0.7 – 0.8 – 0.9 – 1.0 – 1.1– 1.2 – 1.3 – 1.4 – 1.5 mm