Measuring and Classifying Yarn by Weight

Measuring Yarn Weight Traditionally, yarn has been divided into three classes: fine, medium, and bulky. These classes are further subdivided into more precise categories. The two systems used to classify yarn by the weight or size are wraps per inch (centimeter) and the yarn count measurement. Wraps per Inch Yarn Count System The yarn count system is used by commercial textile manufacturers. It is described below as a reference for understanding the weight of yarn or thread. The yarn count system measures mass per unit length (direct) or length per unit mass (indirect). Indirect Yarn Count System (Fixed Weight) The indirect system measures the length of yarn per fixed weight.… Read More

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