Since its establishment, Tonggui Testing has stood out in the field of testing and certification with its profound technical accumulation and unremitting service exploration. The company has established a professional team composed of industry experts and senior technical personnel. The team members not only have a precise grasp of various testing standards, but also have rich project practical experience, which can cope with complex and diverse testing needs. In order to ensure the accuracy and reliability of the testing data, Tonggui Testing has invested in introducing international cutting-edge testing equipment, which is not only technologically advanced but also regularly calibrated to maintain optimal operating conditions. At the same time, Tonggui Testing actively builds a wide industry resource network, and through deep cooperation with authoritative institutions at home and abroad, constantly grasps the latest trends in industry dynamics and testing technology, providing customers with high-quality one-stop testing services. With professional services and efficient workflow, Tonggui Testing has won high recognition and trust from customers.

Reflectance test

Reflectance testing is an important means of evaluating the ability of an object's surface to reflect light, and has a wide range of applications in many fields.

GB/T 37412-2019： The measurement method for high reflectivity of cavity oscillation in lasers and laser related equipment specifies the measurement method for high reflectivity of cavity oscillation in lasers and laser related equipment.

GB/T 36540-2018： Measurement of Visible Light Short Wave Infrared Spectral Reflectance of Water Bodies "is applicable to the measurement of visible light short wave infrared spectral reflectance of water bodies.

GB/T 33988-2017： The "Measurement of Visible Light Short Wave Infrared Spectral Reflectance of Urban Land" specifies the measurement method for visible light short wave infrared spectral reflectance of urban land.

SJ/T 11760-2020： The photoelectric integration method for measuring the reflectivity of photovoltaic cell velvet surface is applicable for measuring the reflectivity of photovoltaic cell velvet surface.

GJB 5023.1A-2012： The "Methods for Testing Reflectance and Emissivity of Materials and Coatings Part 1: Reflectance" is applicable to the measurement of bidirectional reflectance of target surface materials and coatings such as missiles, satellites, aircraft, ships, vehicles, etc. in the spectral range of 0.4 μ m-2.5 μ m under laboratory conditions. It is also applicable to the measurement of bidirectional reflectance of rough terrain backgrounds such as bare soil, sand, grassland, and fluid surfaces.

ASTM F1252-2010： Test Method for Measuring Optical Reflectance of Transparent Materials ", used to measure the optical reflectivity of transparent materials.

BS EN 13745-2004： The "Measurement of Surface Mirror Reflectance in Sports Venues" specifies the method for measuring the surface mirror reflectivity in sports venues.

DIN EN 13721-2004： The assessment of furniture surface reflectance is applicable to the assessment of furniture surface reflectance.

ISO 13142: 2015: "The cavity ring down technique for high reflectivity measurement in electro-optical systems" specifies the cavity ring down technique for high reflectivity measurement in electro-optical systems.

Photovoltaic industry: The performance of photovoltaic cells is directly affected by their surface reflectivity to sunlight. Through reflectivity testing, it can help enterprises optimize the design of photovoltaic cell surfaces, reduce reflectivity, improve the absorption efficiency of solar energy, and thus enhance the power generation efficiency of photovoltaic cells.

Coatings and Ink Industry: The reflectivity of coatings and inks is a key indicator for measuring their quality and effectiveness. Reflectance testing can help companies evaluate the glossiness of products, ensure that they meet customer needs, and provide strong data support for product development and quality control.

In the field of automotive and aerospace, reflectivity testing plays an important role in the design and manufacturing of automotive and aerospace components, helping companies optimize surface treatment of components and improve product safety and performance.

OPTICS

Reflecting mirror: widely used in optical instruments such as telescopes, microscopes, and laser equipment, reflectivity is its key performance indicator. By testing reflectivity, the reflective ability of the mirror to reflect different wavelengths of light can be evaluated, ensuring that it can accurately reflect light and improve the imaging quality and efficiency of the optical system.

Prism: commonly used in optical instruments to change the direction of the optical path. Different types of prisms have different reflectivity for light, and reflectivity testing helps to select suitable prism materials and designs to meet the requirements of specific optical systems.

Filter: It can selectively transmit or reflect light of specific wavelengths. Reflectance testing is crucial for determining the performance of the filter and evaluating its filtering effect on different wavelengths of light, ensuring that it can accurately separate or combine light of different wavelengths in the optical system.

Display device

Liquid Crystal Display (LCD): The reflective film in LCD is used to reflect the light emitted by the backlight to the front of the screen, improving the brightness and contrast of the screen. Reflectivity testing can ensure that the performance of the reflective film meets the requirements and optimize the display effect of the LCD.

Organic Light Emitting Diode Display (OLED): Although OLED is a self luminous device, in some OLED display structures, it also involves the reflection and control of light. Reflectivity testing helps optimize the optical performance of the display panel and improve image quality.

Electronic paper: Electronic paper relies on reflecting ambient light to display content, and its reflectivity directly affects the clarity and readability of the display. Through reflectance testing, the material and structure of electronic paper can be optimized to improve its display performance under different lighting conditions.

Solar photovoltaic products

Solar cells: The anti reflection film on the surface of solar cells can reduce light reflection and increase light absorption, thereby improving the photoelectric conversion efficiency of the cell. Reflectance testing can be used to evaluate the performance of anti reflective films, optimize the optical design of solar cells, and improve the power generation efficiency of solar cells.

Photovoltaic module packaging materials, such as photovoltaic glass and packaging adhesive film, have reflectivity that affects the absorption and utilization of sunlight by the module. Reflectivity testing helps to select appropriate packaging materials, reduce the reflection loss of light on the surface of the module, and improve the overall performance of photovoltaic modules.

building material

Architectural glass: including ordinary flat glass, coated glass, insulated glass, etc. Reflectance is an important indicator to measure its optical performance. Through reflectance testing, the ability of glass to reflect sunlight can be evaluated, and suitable glass types can be selected to meet the building's lighting, insulation, and energy-saving requirements.

Reflective coating: Used for building exterior walls, road signs, etc., it has good reflective performance and can improve the visibility of objects at night or in low light conditions. Reflectivity testing can ensure that the reflective effect of reflective coatings meets standards, improving their safety and practicality.

Insulation materials: Some insulation materials such as insulation film, insulation board, etc. reduce heat transfer by reflecting infrared radiation. Reflectance testing can evaluate the reflective performance of these materials towards infrared radiation, providing a basis for building insulation design.

Automotive components

Car rearview mirror: It is required to have appropriate reflectivity to provide a clear rear view while avoiding excessive reflected light that can cause glare to the driver. Reflectivity testing helps ensure that the optical performance of the rearview mirror meets safety standards and improves driving safety.

Automotive lighting fixtures: The reflector of the fixture is used to reflect and focus the light emitted by the bulb in a specific direction. Reflectance testing can ensure the reflection effect of the reflector, improve the lighting efficiency and light distribution uniformity of the fixture.

photographic equipment

Camera lens: The coating on the surface of the lens can reduce reflection, increase transparency, and thus improve imaging quality. Reflectance testing can be used to evaluate the performance of lens coating, ensuring that the lens can accurately capture light under different lighting conditions, reducing the generation of ghosting and glare.

Reflective board: Used in photography to reflect light and illuminate the shaded areas of the subject. Reflective plates made of different materials and surface treatments have varying reflectivity. Reflectivity testing can help select the appropriate reflective plate to achieve the desired fill in effect.

Tonggui Testing provides comprehensive reflectance testing services:

Customized professional testing plan: The technical team of Tonggui Testing will develop personalized testing plans based on the specific needs and sample characteristics of customers. Whether it is reflectivity testing of a single material or multi scenario testing of complex products, professional solutions can be provided.

High precision testing operation: relying on advanced testing equipment, the technical personnel of Tonggui Testing strictly follow international standards and industry norms to conduct high-precision reflectivity testing, ensuring the accuracy and reliability of test data.

In depth data analysis and reporting: After the testing is completed, professional personnel from Tonggui Testing will conduct in-depth analysis of the testing data to provide customers with detailed and professional testing reports. The report not only includes test data, but also provides targeted recommendations to help clients better understand and apply the test results.

Why choose general testing

Professional guarantee: The professional team of Tonggui Testing has rich experience in the field of reflectivity testing, has a deep understanding of industry standards and technological development, and can provide customers with accurate testing services and professional advice.

Advanced equipment: Advanced detection equipment is the foundation for ensuring accurate and reliable test data. The cutting-edge equipment equipped for general testing not only meets various complex testing needs, but also provides efficient testing services for customers.

Comprehensive service: Tonggui Testing provides one-stop service from developing testing plans to issuing reports, helping customers save time and energy and ensure the smooth progress of the entire testing process.

Industry reputation: Over the years, Tonggui Testing has established a good reputation in the industry with professional services and high-quality results, and is a trusted partner for many enterprises in testing services.