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What is "Threads per inch (TPI)" - Definition & Explanation

Threads per inch is the measurement of the number of threads per inch of material, such as fabric, or metal in the case of screws and bolts.

Some other terms

Some more terms:

The yarns that result after undegoing the texturizing process, which can create crimping, looping, and otherwise modify the filament yarn for the purpose of increasing cover, abrasion resistance,...
pH is the measure of acidity or alkalinity of a substance. On a scale of 0-14, 7 is neutral (neither acid nor alkaline). Lower than 7 is acidic (gives up a hydrogen atom when added to water) and...
A general classification of fabric characterized by a broad range of crinkled or gained surface effects. Methods of making crepe include the use of hard twisted yarns, special chemical treatment,...
(Ultraviolet Protection Factor) The UPF rating indicates how effective a fabric is at blocking out solar ultraviolet radiation from reaching the skin. UPF ratings range from 15 to 50 with higher...
Fabrics which have received a treatment, which causes shrinking. Often done on cottons before cutting the fabric in order to remove the tendency for shrinkage in the finished garment. The percent of...

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