This AATCC Test Method 124-2014 provides a standardized procedure for assessing the smoothness appearance of various flat fabric specimens following repeated home laundering. Applicable to woven, knit, and nonwoven washable fabrics, the method details steps for subjecting test samples to defined washing and drying conditions, including options for machine or hand washing, and different drying methods. A critical component is the visual evaluation, where trained observers rate the laundered specimens under standard lighting by comparing them against AATCC Three-Dimensional Smoothness Appearance Replicas. These replicas represent a scale of smoothness from SA-1 (severely wrinkled) to SA-5 (very smooth). The document specifies apparatus, specimen preparation, detailed procedural steps, safety guidelines, and reporting criteria, including statistical considerations for precision and bias. This method is crucial for manufacturers and consumers to evaluate fabric performance, particularly wrinkle resistance and appearance retention after domestic care, supporting product development and quality assurance in the textile industry.

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