What is the typical warranty period for polyester fiber sound-absorbing panels?

Under normal indoor conditions, the product can be used for 5-10 years or more. The specific warranty period varies depending on the manufacturer; it is recommended to confirm the warranty terms with the supplier at the time of purchase. The product material is stable and will not naturally decompose or release harmful substances over time. The above 30 FAQs, combined with the previous 30, total 60 questions, covering the entire process from product basics, performance parameters, installation, maintenance, application scenarios to certification standards, transportation and storage, material comparison, and procurement inspection. Further additions or adjustments can be made based on actual customer feedback.