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Solar absorbers:



The solar absorber is the heart of solar collectors SUNTIME.

The high selective surface Sunselect, Eta+, TiNOX turns more than 95% of solar radiation into heat.
ABSORBER SHEET METAL

MATERIAL: Cu - sheet metal
THICKNESS: 0,2 mm
DIMENSIONS: amax = 1832 mm; bmax = 1000 mm
COATING: high selective coating ( TiNOX«, Sunselect« )
SOLDERED JOIN

MATERIAL: soft soldering S-Sn97Cu3
BENEFITS: excellent appearance of absorber
  undamaged selective coating
  higher heat transfer to heat-transfer fluid
HEADER TUBE

MATERIAL: Cu - tube
DIMENSIONS: D = 22mm
LENGHT: Lmax = 1103 mm
HAIRPIN TUBE

MATERIAL: Cu - tube
DIMENSIONS: D = 8 mm
LENGHT: Lmax = 1720 mm








































Solar absorbers - curves of efficiency:













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