Industry standards for public consultation (November 2025): The China Building Materials Association is organizing the drafting of the "Technical Code for the Application of Polyurethane Stone Decorative Panels", which aims to clearly stipulate the weather resistance, fire resistance, and installation techniques of PU stone exterior wall panels. It is expected to be released in 2026.
Update of testing standards (December 2025): Third-party testing institutions have launched specialized testing services for PU stone exterior wall panels, covering indicators such as ultraviolet aging, salt spray corrosion resistance, and impact strength, to assist enterprises in ensuring product compliance.