Resources

Thermal yellowing refers to the phenomenon of the material’s surface turning yellow under high-temperature conditions.

Here are some key best practices to ensure that raw materials in the warehouse do not lead to chemical cross-contamination during storage.

Light yellowing is the phenomenon of the surface color of white or light-colored materials turning yellow due to exposure to ultraviolet radiation.

Phenolic yellowing is preventable and controllable, and the chemical reaction itself is reversible. Therefore, by giving this issue due attention, it can be avoided.

When it comes to water-related performance testing of footwear and apparel products, it is inevitable to be inundated by “water repellence”, “water penetration”, “water resistance”,

We offer a comprehensive range of footwear functional testing services.

If the production process of EVA is not strictly controlled, it can often result in the presence of harmful substances in the products.