Ultraviolet Radiation through Fabrics
AATCC 183-2004 pdf free.Transmittance or Blocking of Erythemally Weighted Ultraviolet Radiation through Fabrics. 9.1.1 Prior to testing. precondition and condition the test specimens as directed in ASTM D 1776, Standard Practice for Conditioning and Testing Textiles. Condition each specimen for at least 4 h in an atmosphere of 21土I°C (70 2°F) and 65 2% RH by laying cach test specimen […]
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