In China, the product standards adopted for footwear products produced or sold within the country are centralized by the National Footwear Standardization Technical Committee. The product labeling should conform to the requirements of QB/T 2673
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We have successfully developed and acquired the testing capability to perform prEN 17681-1:2023 tests.
The material properties may not be modified through storage, transport and proces-sing. The following overview contains the most important recommendations for the optimisation of leather
Certified materials now extend to polyethylene (PE), polypropylene (PP), polyamide (PA), and other recyclable plastics, in addition to polyethylene terephthalate (PET) materials.
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.
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