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AATCC Test Method 135-2018 provides a standardized procedure for determining the dimensional changes (shrinkage or growth) in fabrics after being subjected to home laundering. The method involves marking benchmark distances on fabric specimens before washing, measuring these distances, and then remeasuring them after a specified number of laundering and drying cycles. It outlines four washing temperatures, three agitation cycles, and four drying procedures to simulate various consumer practices. The principle is to calculate the percentage change between the initial and final measurements, with a negative value indicating shrinkage and a positive value indicating growth. This test is applicable to all fabrics suitable for home laundering and is crucial for quality control, ensuring that fabrics maintain their size and shape after washing. The results help predict a garment’s fit and stability throughout its life.