Polishing Wax/polish compound/polish paste belongs to chemical products and commodities, but in fact it is made by physical mixing and heating. Polishing wax also produces grinding, smoothing, smooth, and bright effects through physical movement during use, thereby playing the role of polishing and polishing. Polishing wax has a wide range of uses. It not only refers to the polishing and polishing of metals, but also the polishing of resins PU,PA, plastics, as well as hardwood furniture and appliances.
Polishing is divided into rough polishing, medium polishing, fine polishing and mirror polishing.For metal utensils and utensils of different materials, it is necessary to choose a suitable polishing wax to play a real role and an ideal effect.
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Analyze the technical innovation and industrialization of anti-seepage fiber
The fundamental performance requirements for textiles are “thermal protection†and “coverage.†The concept of “coverage†refers to the textile’s ability to provide visual shielding. Dark, heavy fabrics typically do not face visibility issues, but light-colored summer fabrics—especially white ones—are commonly used in undergarments and may expose the skin, leading to an unseemly appearance. To address this issue, the Quartermaster Equipment Research Institute of the General Logistics Department has developed anti-transparency fibers suitable for light-colored and thin summer clothing. These innovations have created real economic benefits through collaboration between production, education, and research.
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The General Logistics Department's Quartermaster Equipment Research Institute, along with its partners, has introduced a multi-scattering approach to solve the problem of poor visibility in light-colored, lightweight fabrics, which can lead to exposure of undergarments and body skin, resulting in an indecent appearance, especially in navy white uniforms. The institute has developed anti-transparent polyester fibers and two-component elastic anti-permeability fibers that combine spinability with a wool-like feel. This results in a double-layered visual shielding effect compared to conventional fabrics of the same specification, effectively solving the international issue of poor visual obscuration in light-colored, thin fabrics.
The development includes independently created wool-like polyester filaments and staple fibers, two-component elastic anti-transparent filaments and staple fibers, and anti-viscosity staple fibers with excellent anti-transparent properties. By optimizing yarn and fabric structure, high-strength filament or staple blended cotton wool fabrics were produced, successfully addressing the contradiction between visual obscuration, comfort, and style in light-colored, lightweight fabrics, achieving four major breakthroughs.
1. Established scientific theories and technical ideas of textile visual obscuration
From the perspectives of visual physiology and physics, a theoretical relationship between textile visual obscuration and material properties, textile structural parameters, and environmental factors was established. It was determined that light and light-colored fabrics cannot rely on absorption, increasing thickness, or fiber-air interface reflection. Instead, internal light scattering within reinforced fibers should be utilized. By designing complex fiber cross-sections with multiple scattering paths, fine denaturation, roughened surfaces, porous yarns, and twisted fabric perforations, an effective anti-transparent effect for light-colored, light-weight fabrics was achieved.
2. Innovation uses Mie scattering theory to optimize the particle size distribution of high refractive index powders
For the first time, Mie scattering theory was applied to calculate the scattering state of powders with different refractive indices and particle size distributions. Various high-refractive-index powders were tested for blending and detection of shielding properties, corrected by the human eye spectral light efficiency curve. It was found that TiOâ‚‚ particles in the range of 278 nm to 571 nm provide the best anti-seepage effect. This particle size distribution was applied to polyester anti-vibration fibers and two-component elastic anti-reflective fibers, achieving a good anti-transparent effect.
3. Developed a series of anti-seepage fibers and visually shaded textiles
Innovatively designed with 8 thin-walled diaphragms containing high-refractive-index powders, 16 macro-reflective interfaces, and numerous micro-reflective interfaces, the complex fiber cross-section structure allows light to be intercepted at any radial incidence, causing multi-reflection and absorption. This significantly improves the anti-transparency effect. The small surface area of high powder content reduces equipment wear. The orange-shaped composite spinning equipment, with excess capacity in the country, was slightly modified for spinning. Anti-transparent polyester composite wool-like filaments and short fibers, as well as two-component elastic anti-transparent filaments and short fibers, were applied to pure-woven and blended woven and knitted fabrics such as wool and cotton, providing good visual shading, comfort, and feel. They are widely used in military, industrial uniforms, and sportswear fabrics.
4. Established a visual masking evaluation method for fabrics
It was proposed that the visual obscuration of fabrics is not only related to the energy permeability of light waves but also to the imaging ability of light waves. An anti-transmission rating standard was designed, and a method for quickly evaluating the visual obscuration performance of fabrics was established, used for anti-permeability detection of military uniform fabrics.
Anti-fluoroscopy fabric development is imminent
According to international practice, naval officers wear white uniforms in the summer. To avoid the problem of underwear exposure from white clothing, navies of various countries use heavy fabrics like polyester-cotton small canvas for summer clothing, which lacks comfort. Some African navies use lighter and thinner fabrics, but the underwear is exposed badly, pocket Cloth is visible, and objects in the pocket are displayed, affecting military appearance. China’s previous generation of navy white clothing had to be equipped with lining cloth or polyester-threaded trousers to avoid exposure, but the wearing comfort was very poor. Therefore, there is a lack of white fabrics that are thin and impervious, combining visual obscuration and comfort.
According to Shi Wei, a senior engineer at the Military Equipment Research Institute of the General Logistics Department, the Chinese Navy wears summer white uniforms to connect with the world, but it is trapped in the thickness of the clothing. Navies in Southeast Asia and Thailand have particularly heavy uniforms, making them dull. Compared with foreign military personnel, the skin quality of our naval soldiers is not resistant to the sun or humidity. Thus, there is an urgent need for a fabric that is anti-seeing and thin.
Combining production, study, and research to create economic benefits
The research team for anti-seeding fiber includes Zhoushan Xinxin Chemical Fiber Co., Ltd., Zhejiang New Textile Co., Ltd., Jiangsu Sunshine Group Co., Ltd., Qingdao Zhifa Group Co., Ltd., Zhejiang Chunjiang Light Textile Group Co., Ltd., West Lake Technology Co., Ltd., Military Equipment Research Institute, and Donghua University.
In 2007, the whole army changed the new military uniforms, using this technology to produce navy white summer uniforms, summer pants (skirts), sailor uniforms, soldiers spring and autumn uniforms fabrics, achieving an anti-transparency effect where male soldiers wearing black, red sports vests and female soldiers wearing flower bras can be completely covered by the white shirt. It has withstood the test of the navy white square in the 60th anniversary of the National Day, requiring the military to be dignified and not exposed to the underwear, with good comfort, air permeability, easy washing and drying, resistance to the sun and not yellowing.
At present, anti-perspective fiber fabrics are mainly used for direct sales in China. I am responsible for the duties and division of labor of various departments. The People's Liberation Army has all adopted it, and the public security department will apply it in the future. I believe that the future of China's textile industry should rely on the improvement of technology, and technology must be close to the needs of the market. Enterprises and scientific research institutions work together to continuously develop and improve products. In the past, our aim was to prevent see-through. Now, with the maturity of technology and the deepening of scientific research, the effect of anti-UV and anti-heating of fiber is also very obvious. The same kind of dye is used to dye anti-seepage fiber fabric and ordinary fabric, and the temperature of anti-fluorination fabric is raised more slowly, with a temperature about 5°C lower.