What is Chlorine Retention?

Chlorine retention, a term commonly used in the textile industry, refers to the ability of a fabric to resist the harsh effects of chlorine.

When chlorine is used in swimming pools to keep the water clean, it can cause considerable damage to fabrics, leading to color fading, fiber damage, and reduced strength. Therefore, achieving chlorine retention is crucial, especially for fabrics used in swimwear and other applications that are frequently exposed to chlorinated water.

Fabrics that have been treated with chlorine-resistant finishes or have an inherent resistance to chlorine, such as polyester and nylon, are the most suitable choices for swimwear and other water-resistant applications. These fabrics have a higher level of chlorine retention, which helps them maintain their original color and strength even after exposure to chlorinated water.

To test for chlorine retention, fabrics are exposed to a standardized amount of chlorine, and their physical properties, including color change and strength loss, are carefully measured. Fabrics that meet or exceed the minimum requirements for chlorine retention are deemed fit for use in chlorinated environments.

However, due to the potential damage to health and the environment caused by chlorine, textile scientists are actively researching safer alternatives.