mirotherm® selective absorptive layer

The special mirotherm® coating is ideal for your solar thermal systems and absorbs both direct sunlight and diffuse radiation. The patented mirotherm® surface achieves a solar absorption factor of up to 96% with a thermal emissivity of at least 3%.

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Solar – mirotherm®

Solar

Technical specifications

Supply form

Coil, strip, sheet, blanks
Metal Thickness[mm]0,30 - 0,50
Width up to[mm]1250,00

Optical Values

Solare Absorption[α sol]0,95 ± 0,01
Thermal emission at 212 °F[Ɛ]0,05 ± 0,02
Colour value a*[-]-12 up to 0
Colour value b*[-]-25 up to 0

Mechanical Properties

Yield strength Rp 0,2[MPa]min 120
Tensile strength Rm[MPa]min 140
Elongation at break A50[%]min 2
Bending radius≥ 1,5 x gauge of material

Tolerances

Metal Thickness[mm]± 0,04
max Width/Coil[mm]+ 3,00 / - 0,00
Width Slit Coil[mm]± 0,20 standard
Length[mm]0 - 600 + 1,00 / - 0,00
[mm]601 - 1500 + 1,50 / - 0,00
[mm]1501 - 2500 + 2,50 / - 0,00
[mm]2501 - 3500 + 3,50 / - 0,00
Transversal Divergency[mm]≤ 1,5 (D1-D2)
other tolerances on request

Protective Film

Protective Film Type[-]PE - Film
Protective Film Thickness[µm]50 - 60

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