GB/T 19941.3 - 2019 focuses on the determination of formaldehyde release from leather and fur. It specifies the selection and preparation of samples in detail to ensure that the samples can represent the characteristics of the product. Clarify the testing equipment and operation procedures, and strictly control the temperature and Humidity of the testing environment. Collect formaldehyde released from leather and fur through specific methods and accurately measure it. According to this standard, it can provide consumers with accurate data on formaldehyde release from leather and fur products, help the industry improve the environmental protection mass of products, and protect users from excessive formaldehyde harm.