The steps of the needle flame experiment1
Experimental instrument: Needle flame testing-equipment' target='_blank'>tester Scope of application: Suitable for lighting, low-voltage electrical appliances, household appliances, machine tool electrical appliances, motors, power tools, electronic instruments, electrical instruments, electrical connectors, accessories and other electrical and electronic equipment and their parts and components. Research, production and quality inspection departments, as well as the industries of insulating materials, engineering plastics or other solid combustible materials, conduct simulation tests of small flame ignition sources. Comply with the standards: GB4706.1, GB5169.5-2008, IEC60695-2-2IEC60695-11-5 and other related standards. Experimental principle: The needle flame tester is made of the specified size (Φ0.9mm ) needle burner, with a specific gas (butane), to 45°The test sample is ignited in a fixed direction at an angle, and the ignition hazard of the small flame caused by the fault condition inside the equipment is evaluated according to whether the test sample ignites, the holding time and the burning length. Experiment preparation of needle flame tester: 1. The instrument is placed in a room with ventilation equipment (or a small laboratory with a special ventilation hood), so that the exhaust gas can be discharged in time after the test. 2. Hang the two matching weights with copper wires (connected to the sample holder) under the support plate through the two pulleys on the left end of the support plate (through the corresponding holes). As shown in the figure: 3. Prepare and clamp the sample according to the standard requirements. 4. Adjustment of the proximity switch A. Loosen the nut fixing the proximity switch so that it can move left and right; B. Press down“left row"Press the button, the trolley moves forward automatically, when the sample touches the glow wire head, move the proximity switch by hand to stop the trolley and fix the proximity switch; C. Press“heating"button to adjust the current adjustment knob. According to the requirements of the sample, adjust the appropriate current value, and check whether the thermometer reaches the temperature required by the test requirements. When the sample touches the glow wire head, the limit electromagnet is released, and the sample can only move forward 7mm under the pulling force of 1N weight. (The distance can be adjusted) When the glow wire tester test is completed, the“heating"The button pops out, then turn the current adjustment knob to the minimum.
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Personal protective equipment must meet specific performance requirements before it can be used in demanding workplace environments. ISO, EN, and ASTM standards provide important test methods and performance requirements for different PPE categories. However, the applicable standard depends on the product, intended application, target market, and specific protection requirements.
This guide explains the role of ISO, EN, and ASTM standards in PPE testing and introduces common requirements for safety footwear, protective gloves, protective clothing, masks, and safety helmets. It also explains how laboratories can select suitable PPE testing equipment according to the applicable test method.
The air permeability tester is a high-precision testing instrument designed to evaluate the breathability of PPE materials, textile fabrics, non-woven fabrics, woven fabrics, and industrial filter media. It plays a critical role in quality control, product development, and laboratory research across multiple industries including PPE, textiles, automotive interiors, and filtration systems.
Modern instruments such as the GT-C27 Air Permeability Tester are developed with advanced sensor systems, automated control logic, and multi-standard compatibility to ensure reliable and repeatable results. Complying with global standards such as ISO 9237, ASTM D737, DIN 53887, and GB/T 5453, it guarantees internationally recognized testing performance.
With high automation, accurate pressure sensing, and flexible unit conversion systems, air permeability testing equipment significantly improves testing efficiency while reducing human error. It is widely used in PPE manufacturing, textile engineering, non-woven product development, and industrial filtration quality inspection.
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.
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