How to Make Sunscreen Swimwear Fabrics

The production of sunscreen swimwear fabrics combines various professional technologies and special materials, aiming to provide effective UV protection for wearers.

In terms of principles, it mainly achieves the sun protection function through two ways. One is to use the inherent properties of the materials to reflect and scatter ultraviolet rays, and the other is to absorb ultraviolet rays with the help of added sunscreen agents.

In terms of material selection, basic fabrics such as polyester fiber and nylon are usually chosen. These fabrics themselves have certain anti - UV properties and can block some ultraviolet rays from penetrating. At the same time, special sunscreen additives, such as organic and inorganic sunscreen agents, are added to the fabric. Organic sunscreen agents can absorb ultraviolet rays and convert them into heat energy to dissipate. Inorganic sunscreen agents mainly work by reflecting and scattering ultraviolet rays. Common inorganic sunscreen agents include titanium dioxide and zinc oxide, which can be evenly dispersed in the fabric to form a protective barrier.

In terms of production processes, first, the basic fabric needs to be pretreated to remove impurities and residual chemical substances to ensure the quality and stable performance of the fabric. Then, through technical means such as padding, coating, and microencapsulation, the sunscreen agent is evenly attached to the fabric fibers. Padding involves soaking the fabric in a solution containing the sunscreen agent and allowing the agent to penetrate into the fiber interior through extrusion. Coating means evenly applying a layer of coating containing the sunscreen agent on the surface of the fabric. The microencapsulation technology involves encapsulating the sunscreen agent in tiny capsules and then attaching them to the fabric. As the fabric is worn and used, the capsules gradually rupture and release the sunscreen agent, continuously exerting the sun protection effect. After these treatments, post - finishing of the fabric is also required to further improve its softness, color fastness, durability, and other properties, and finally, high - quality sunscreen swimwear fabrics are made.