• Textile
  • The original UPF rating system was enhanced in the United States by the American Society for Testing and Materials (ASTM) Committee D13.65, at the behest of the Federal Trade Commission (FTC) and the Consumer Product Safety Commission, to qualify and standardize the emerging sun protective clothing and textile industry. (wikipedia.org)
  • standards
  • When the Food and Drug Administration (FDA) discontinued regulating sun-protective clothing, the Solar Protective Factory (whose CEO chaired the ASTM Committee) took the lead in developing the UPF testing protocols and labeling standards that are presently used in the United States. (wikipedia.org)
  • Before UPF standards were in place (which directly measure a fabric's ability to block UV radiation), clothing was previously rated using SPF standards (which measure how long a person's skin takes to redden). (wikipedia.org)