As a common accessories, elastic bands can be used in sports pant waistband, wristband, garment cuff and industrial conveyor belt. In such circumstance, it is easy to become damp caused by sweating or wet, and decrease the comfort in use. Moreover, it may get mouldy, and short the lifespan. The water repellent can be used not only for decorating but also prolongs the elastic band service life. Therefore, the manufacturer usually use water repellent enhence the waterproof performance of elastic band.

There are two kinds of waterproofing agents: fluorine waterproofing agent and fluorine-free waterproofing agent; fluorine waterproofing agent has been used and promoted in the market for a long time, and its price and effect have been recognized by the market. With the improvement of people's living standards, not only functionality, but also environmental protection is required.

In order to meet the needs of environmental protection, more and more manufacturers use more environmentally friendly fluorine-free waterproofing agents for finishing. Therefore, the waterproofing of elastic belts has gradually changed from fluorine-based waterproofing to fluorine-free waterproofing. Especially for big brands, all waterproof materials of elastic belts must be Fluorine-free water repellent.

Although the elastic band only acts on the accessories of the product. But it is an important part of the whole product and plays a key auxiliary role, such as watch straps, backpack shoulder straps, etc. Many products require the use of elastic bands, so the environmental performance of elastic bands cannot be ignored.