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Solar Test Standards


Window Film Industry Solar Test Standards

Window Film Properties
Recommended Tests
Visible Light Transmittance
NFRC 200 – 2004
Visible Light Reflectance
NFRC 200 – 2004
Ultraviolet Transmittance
LBL Window & Solar fenestration software (TUV)

Solar Energy Absorptance
NFRC 300 – 2004
Solar Energy Transmittance
NFRC 300 – 2004
Solar Energy Reflectance
NFRC 300 – 2004
Total Solar Energy Rejection
Historical: (1–SHG C) *100%
Shading Coefficient
2005 ASHRAE Handbook – Fundamentals
Solar Heat Gain Coefficient
NFRC 200 – 2004
U–Factor
NFRC 100 – 2004
Emissivity
ASTME 1933
Light-to-Solar Heat Gain Ratio
2005 ASHRAE Handbook – Fundamentals
IR Reflectance or Rejection
See article on Solar Energy Distribution

Tensile Strength
ASTM D 882 (Special Reporting Instructions)
Tear Strength
ASTM D 1004
Puncture Strength
ASTM D 4830 Section 7









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