AATCC PTPs support lab certification and continuous improvement initiatives. Samples are selected to provide consistent results in a meaningful range for each test method or evaluation procedure.
The Color Evaluation PTP enables labs to compare their performance of AATCC methods for evaluating color change and staining properties of fabrics.
- AATCC EP1, Evaluation Procedure for Gray Scale for Color Change
- AATCC EP2, Evaluation Procedure for Gray Scale for Staining
- AATCC EP7, Evaluation Procedure for Instrumental Assessment of Change in Color of a Test Specimen
- AATCC EP12, Evaluation Procedure for Instrumental Degree of Staining
Registration deadline: August 15
Samples shipped: September
For more information, visit www.aatcc.org/testing/proficiency.