Test method for color fastness to dry rubbing of mattress
Among the unqualified items of mattress testing exposed by CCTV, the color fastness index of mattress textiles to dry rubbing does not meet the national standards. Color fastness refers to the resistance of the color of textiles to various effects during processing and use, and is a quality index used to evaluate whether the product fades. Poor color fastness will cause the surface color and pattern of the mattress to fade and stain light-colored clothing or bedding. The national standard stipulates that the color fastness to dry rubbing of the mattress fabric is ≥3 level. After testing, a total of 7 samples out of 50 samples did not meet the requirements of the national standard. After testing and testing personnel confirmed that 4 of the 37 spring soft mattress samples were unqualified, the unqualified rate was 10.8%. Among the 13 palm fiber elastic mattresses, 3 products were unqualified, and the unqualified rate was 23.1%. When the pigment falls off and attaches to the human skin, the dye molecules and heavy metal ions may be absorbed by the human body through the skin and endanger the health of the human skin. The resistance of the color of textiles to various effects during processing and use. The fastness grade is evaluated based on the discoloration of the sample and the staining of the undyed lining fabric. Textile color fastness test is a routine test item in the internal quality test of textiles. The color fastness to dry/wet rubbing test is to measure the influence of the fabric on the color fastness of the fabric after being rubbed with each other or with other objects during long-term wearing or use. It is also an important test item in the color fastness. ：Method of rubbing color fastness: Put a piece of white rubbing cloth on the sample to be tested and rub it back and forth under the specified conditions to transfer the color to the white rubbing cloth. In this case, it can be compared with the stained gray card. To assess the color fastness level. Evaluation of color fastness to rubbing: After the textile test sample is removed from the electric rubbing color fastness tester, it is rated with the standard staining and fading gray card under a standard light source light box. No chromatic aberration at level 5, serious chromatic aberration at level 1. For accurate rating, please contact the relevant technical personnel of our company.
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Cut resistance is one of the most critical performance indicators in personal protective equipment (PPE) testing, directly affecting worker safety in high-risk industries such as metal processing, machinery manufacturing, and emergency rescue. The TDM Cut Test Machine GT-KC28 plays a vital role in accurately evaluating the cut resistance of PPE products, including gloves, protective clothing, footwear materials, composite materials, rubber, and industrial textiles.
By adopting high-precision force control systems, intelligent data processing, and stable transmission technology, the GT-KC28 TDM Cut Tester can accurately measure the critical cutting force of materials and ensure excellent repeatability and comparability of test results. Its user-friendly touch-screen operation, comprehensive data storage, USB data export, and built-in thermal printer greatly improve laboratory efficiency and data traceability.
The TDM Cut Test Machine GT-KC28 fully complies with major international and national standards such as ISO 13997, EN 388, ASTM F2992/F2992M, ANSI/ISEA 105, and GB 24541-2022, making it a reliable solution for PPE manufacturers, third-party testing laboratories, and research institutions. Through precise and standardized cut resistance testing, the GT-KC28 helps reduce industrial cutting injuries, supports PPE certification across global markets, and ensures that protective equipment delivers reliable safety performance in real-world applications.
Choosing the right abrasion testing equipment is essential for obtaining accurate and repeatable wear resistance results. DIN Abrasion Tester and Taber Abrasion Tester are two widely used abrasion testing machines, but they are designed for different material types and testing purposes.
This article provides a detailed comparison between DIN Abrasion Tester and Taber Abraser, covering their working principles, specimen requirements, industry applications, standard compliance, technical characteristics, operation features and practical advantages. DIN Abrasion Tester is mainly designed for rubber, elastic materials, tires, conveyor belts and footwear soles, while Taber Abrasion Tester is suitable for flat materials such as coatings, textiles, plastics, leather, metals and decorative surfaces.
By understanding the differences between these two abrasion testing methods, laboratories can select the most suitable abrasion tester based on sample geometry, testing standards and production quality control requirements.
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