This is because static charges (negative) develop when the nylon clothes are rubbed. ... As the amount of charge increases, the negative charges on the nylon dress tend to make a path towards the positive charges, and it results in an electrical discharge.

This is because static charges (negative) develop when the nylon clothes are rubbed. As the accumulation of the charges increases,  positive charges are induced on other objects nearby, say for example, our body or other dresses. As the amount of charge increases, the negative charges on the nylon dress tend to make a path towards the positive charges, and it results in an electrical discharge. This produces the crackling sound and sparks.

Why Nylon Clothes Crackles as You Remove Them?

Nylon is a synthetic material that is known for its durability, strength, and resistance to tearing and abrasion. It is commonly used in the manufacturing of clothing, especially in activewear and outdoor gear. One peculiar characteristic of nylon clothes is that they often produce a crackling sound when they are being removed. This phenomenon can be attributed to several factors.

Static Electricity
One of the main reasons why nylon clothes crackle is the build-up of static electricity. When two materials come into contact and then separate, they can create an imbalance of electrical charges. Nylon, being a synthetic material, tends to generate a significant amount of static electricity. As you remove nylon clothes, the friction between the fabric and your body causes the accumulation of static charges. When the charges suddenly discharge, it creates a crackling or popping sound.

Friction
The crackling sound can also be attributed to the friction between the nylon fabric and your skin or other materials. Nylon has a smooth surface that allows it to glide easily against the skin. However, as you remove the clothing, the fabric rubs against itself or other surfaces, resulting in friction. This friction generates noise, which manifests as crackling sounds.

Moisture Content
The moisture content on your skin or in the environment can play a role in the crackling of nylon clothes. When nylon comes into contact with moisture, it can increase the conductivity of the fabric. This enhanced conductivity can facilitate the discharge of static electricity, leading to crackling sounds when the clothing is removed.

Temperature and Humidity
The crackling of nylon clothes can also be influenced by temperature and humidity levels. In dry environments, such as during winter or in air-conditioned spaces, static charges are more likely to accumulate on nylon garments. However, in humid conditions, the moisture in the air can help dissipate the static charges, reducing the crackling effect.

In conclusion, the crackling sound produced when removing nylon clothes is primarily caused by static electricity and friction. Factors such as moisture content, temperature, and humidity levels can also contribute to the intensity of the crackling. While the sound may be surprising, it is a harmless characteristic of nylon clothing and does not affect the quality or performance of the fabric.