Lightfastness Standards AATCC research committee RA50, Lightfastness and Weathering, is seeking input on the use of existing lightfastness standards and possible development of new standards. Question Title * 1. How long do you normally run lightfastness tests? 5 AFU (or 5 hours) 10 AFU (or 10 hours) 20 AFU (or 20 hours) 40 AFU (or 40 hours) 80 AFU (or 80 hours) 160 AFU (or 160 hours) 180 hours 250 hours 320 AFU (or 320 hours) 400 hours 600 hours 640 AFU (or 640 hours) Other (please specify) Question Title * 2. Do you use AATCC blue wool to verify test time or instrument operation? Yes No Why or why not? Question Title * 3. Do you use any other lightfastness standard to verify test time or instrument operation? ISO Blue Wool Polystyrene Reference Plastic Standard Chips Other (please specify) Question Title * 4. AATCC Blue Wool is currently available only for verification of 5 AFU and 20 AFU tests. If the following were made available, would you purchase them? 40 AFU 80 AFU 160 AFU 320 AFU 640 AFU Other (please specify) Question Title * 5. Other Comments (optional) Question Title * 6. Contact Information (optional) Name Company Email Address Done