SAFETY TEST

This is an official test report issued by Guangdong Safety Testing Co., Ltd.—a professional and accredited testing institution with extensive experience in textile product inspection—focusing on a cotton denim cloth sample submitted by Dongguan Yimeng Garment Co., Ltd. The core scope of this report is to evaluate the color fastness to perspiration of the tested cotton denim cloth, conducted strictly in accordance with the specific test methods requested by the company to ensure alignment with practical application needs.

The tested sample is a representative cotton denim cloth intended for the production of denim garments, sourced directly from Dongguan Yimeng Garment Co., Ltd.’s regular raw material supply chain. Prior to testing, the sample was properly prepared: cut into standard-sized test pieces without any pre-treatment that might affect test results, ensuring the sample’s original properties were preserved. The test methods adopted strictly follow industry-recognized procedures, including simulating real human perspiration environments (both acidic and alkaline perspiration, as applicable) to replicate the actual conditions under which denim garments are worn. During the test, the sample was immersed in the simulated perspiration solution for a specified duration, then subjected to controlled temperature and pressure conditions to assess the degree of color transfer or fading.

The testing process adhered to rigorous operational standards: all test equipment was calibrated in advance to guarantee accuracy, and the testing environment was maintained at a stable temperature and humidity to eliminate external interference. The test team, composed of qualified professionals, closely monitored each step of the process, recording data in real time to ensure the reliability and objectivity of the results. The report provides detailed test data, including numerical ratings for color fastness to perspiration (in line with common textile rating scales, e.g., 1–5 grades, with higher grades indicating better performance) and supplementary observations on any color change or staining of adjacent fabrics during the test.

This test report serves as a crucial reference for Dongguan Yimeng Garment Co., Ltd. to assess the color fastness performance of its denim garments. Color fastness to perspiration is a key quality indicator for denim products, as it directly affects the wearing experience—poor performance may lead to color fading, staining of other clothing, or skin discomfort during use. The provided test data enables the company to verify whether the cotton denim cloth meets the required quality standards for mass production, supports product quality control decisions, and provides a reliable basis for ensuring customer satisfaction with the final denim garments.

Guangdong Safety Testing Co., Ltd. confirms that all test procedures were conducted fairly and accurately, and the reported data reflects the true color fastness to perspiration performance of the tested cotton denim cloth. This report is for reference only in evaluating product performance and can also be used as supporting documentation for product quality certification or customer inquiries. Dongguan Yimeng Garment Co., Ltd. may utilize this data to optimize production processes if needed, ensuring consistent quality of its denim garments in terms of color fastness to perspiration.