Which kind of the fabric is easy pilling?

Cotton, linen, silk, etc. are not easy to pilling, while wool, nylon, etc. are mostly easy to pilling fabrics.

wool

Advantages: warmth, soft hair, good elasticity, strong heat insulation

Disadvantages: easy to pilling, easy to shrink, easy to felting reaction, easy to be eaten by insects after mold

nylon

Advantages: lightweight and durable, smooth surface, easy to wash and dry, fixed elasticity, fixed stretchability

Disadvantages: easy to generate static electricity, most pilling

Polyester

Advantages: good elasticity, high strength, firmness, not easy to break, no ironing

Disadvantages: poor air permeability, not easy to dye, easy to generate static electricity, easy to pilling