LGN-N18 is an 18% neutral-gray matte latex paint for imaging/optical laboratory walls, photography studios and professional test environments. This water-soluble coating is easy to apply, with a recommended water-dilution ratio not exceeding 15% to maintain the required background. GN-N18 was developed by Yanding according to the Munsell N5 neutral-gray standard for laboratories, studios and camera-exposure tests. Its water-based vinyl formulation provides a matte finish and accurate color presentation as a test background. LGN-N18 uses additive-free purification technology and is certified to the national environmental standard GB18582, providing a safe, environmentally friendly test environment.
| Parameter | Value |
| Type | Aqueous ethylene-based emulsion |
| Reflectance [Visible light band] | 18% reflectivity of visible light band |
| Capacity | 5 升/桶 |
| Painted Area [Per barrel] | About 20 m² per barrel |
| Number of brushes | Recommendations 2-3 brushes |
The video optical lab, which is the standard test background, ensures the accuracy of colour and exposure experiments, the studio environment provides a stable and consistent neutral grey background, optimizing the photo-ray and color reduction, the camera exposure test, which is used for various video devices' exposure control and image comparison experiments.
Customization supports different reflectances in visible and near-infrared bands for varied tests. Follows international color standards for consistent results. Standard 18% neutral-gray reflectance in the visible band supports professional imaging/optical experiments. A high-quality matte finish reduces unwanted reflections for more accurate image-quality testing. Additive-free purification technology meets the national environmental standard GB18582 for human and environmental safety. One 5-liter container covers approximately 20m². Easy application, uniform coverage and long service life suit different laboratory environments.
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Yanding, as a nationally recognized high-tech enterprise, has always been driven by technological innovation and deeply engaged in the fields of testing equipment and image quality.
The company is headquartered in Zhangjiang Qingpu Park, with its core office base located in Shanghai Zhangjiang Science City, an innovation highland. It has also established R&D and operation centers in Shenzhen, Beijing, and South Korea, building a global technology R&D and service network to efficiently respond to domestic and international customer needs.
For many years, Yanding has focused on technological breakthroughs in the field of image quality. Its main business covers the full-chain R&D, design, manufacturing, and sales of high-precision instruments, high-end mass production equipment, image analysis algorithms, and industrial software. Relying on more than ten years of deep accumulation in core technology fields such as ultra-complex hardware boards and platform-level industrial software, the company has formed full-stack self-research and delivery capabilities from high-precision optical instruments, image quality analysis and calibration algorithms, to motion control software, optical lenses, image acquisition boards, image test charts, and mass production testing equipment, providing customers with end-to-end solutions.
The founding team and core members bring together senior technical management talents from well-known domestic and overseas enterprises, with an average of over 20 years of frontline R&D and operation management experience, and a deep understanding of international cutting-edge technology paths and industry trends. The company has assembled an R&D team composed of talents from famous domestic and overseas universities, highly skilled and continuously pursuing innovation. As of the end of 2024, the company has more than 170 employees, with R&D and technical personnel accounting for over 60%, injecting strong momentum into continuous technological breakthroughs and global market expansion.