Asset class

Materials

15 wall and reflector materials — sorted by UV reflectivity

High (≥70 %)

4 materials

98 %

PTFE

UV reflectivity

85 %

Alanod MiRO-4 (UV-optimised)

Alanod technical datasheet 2022 (MIRO UV, 250-260nm)

UV reflectivity

80 %

Aluminium rolled (high-purity)

IUVA generic high-purity rolled Al, indikativ

UV reflectivity

72 %

Aluminium polished

Kowalski UV Engineering Handbook 2009, Al 99.5%

UV reflectivity

Medium (30–70 %)

6 materials

55 %

Aluminium anodised

Kowalski 2009, Tab. 8.12 (Aluminum anodized)

UV reflectivity

50 %

Hot-dip galvanized steel

Manufacturer data (hot-dipped galvanized)

UV reflectivity

50 %

TiO2

UV reflectivity

45 %

Galvanized steel

Kowalski 2009 (galvanized duct, 254nm)

UV reflectivity

35 %

Stainless steel polished

Messung IUVA 2018 (AISI 316 polished)

UV reflectivity

30 %

Zinc sheet

Hersteller-Daten (pure Zn sheet, 254nm)

UV reflectivity

Low (<30 %)

5 materials

25 %

Stainless steel 2B (matt)

Messung IUVA (AISI 304 2B, 254nm)

UV reflectivity

20 %

RAL 7035

UV reflectivity

15 %

Painted white (standard)

Kowalski 2009 (white paint, non-UV-stable)

UV reflectivity

10 %

Raw steel (untreated)

Kowalski 2009 (uncoated mild steel, indikativ)

UV reflectivity

5 %

PVC (soft)

Kowalski 2009 (PVC, 254nm)

UV reflectivity