GST compliance testing has been rooted in the testing and certification industry for many years and has formed a strong professional team. The team members cover multiple professional fields such as materials science, chemical analysis, and testing technology. With rich industry experience and profound professional knowledge, they are well versed in various testing standards and technological development trends. The company attaches great importance to equipment investment, invests heavily in introducing internationally leading testing equipment, and establishes standardized testing laboratories to ensure accurate and reliable testing results. In terms of service mode, Tonggui Testing breaks the norm and creates a one-stop service system, providing full process services from project consultation and scheme formulation to testing implementation and report issuance, greatly saving customers' time and energy. With professional service quality and a high sense of customer responsibility, Tonggui Testing has won an excellent reputation in the industry.
UV aging test
The UV aging test simulates the ultraviolet radiation in the natural environment to conduct accelerated aging tests on materials or products, quickly evaluating their weather resistance and service life. This type of testing plays an indispensable role in many industries.
ISO 4892-3: 2016: "Plastic laboratory light source exposure test method Part 3: Fluorescent ultraviolet lamp". This standard specifies the method for conducting exposure tests on plastic materials using fluorescent ultraviolet lamps, including test equipment, sample preparation, test conditions, and result evaluation. The standard provides detailed information on the characteristics and applications of different types of fluorescent ultraviolet lamps, as well as how to select appropriate test conditions based on the material's usage environment and requirements.
ASTM G154-2016： Implementation Regulations for Fluorescent Ultraviolet Exposure Standards of Non metallic Materials. This standard covers the general procedures and requirements for conducting aging tests on non-metallic materials using fluorescent ultraviolet lamps. It provides multiple test cycles and condition options to simulate different practical usage environments, while providing specific guidance on the maintenance, calibration, placement, inspection, and evaluation of test equipment and specimens.
national standard
GB/T 16422.3-2014： Plastic laboratory light source exposure test method Part 3: Fluorescent ultraviolet lamp. This standard is equivalent to ISO 4892-3:2013, which specifies the method for conducting aging tests on plastic materials under fluorescent ultraviolet lamps, including equipment requirements, sample preparation, test steps, and result evaluation. It provides a unified specification for UV aging testing in the domestic plastic industry.
GB/T 35467-2017： UV aging test chamber. This standard specifies the technical requirements, test methods, inspection rules, as well as labeling, packaging, transportation, and storage of ultraviolet aging test chambers. It is applicable to test chambers that use fluorescent ultraviolet lamps as light sources to simulate the accelerated aging test of materials under natural climate conditions of ultraviolet radiation, ensuring that the performance and accuracy of the test equipment meet the testing requirements.
Industry standards
QC/T 730-2005： Test Method for Light Resistance of Automotive Interior Materials. This standard specifies the test methods for the light resistance of automotive interior materials under two light sources: fluorescent ultraviolet lamps and xenon arc lamps. The part involving UV aging testing makes specific provisions for testing equipment, sample preparation, test conditions, and result evaluation to evaluate the color change and performance degradation of automotive interior materials under ultraviolet radiation.
HG/T 3689-2014： Test Method for Artificial Climate Aging Resistance of Architectural Coatings and Coatings. The standard specifies the aging resistance test methods for building coatings under two artificial light sources, fluorescent ultraviolet lamps and xenon arc lamps. Based on the characteristics of building coatings, detailed requirements are given for sample preparation, selection of test conditions, and evaluation of coating performance after aging to ensure good weather resistance of building coatings when used outdoors.
Automotive industry: Automotive components are exposed to direct sunlight for a long time, and UV aging testing can detect in advance the fading, deformation, cracking, and other issues of automotive interior and exterior materials under UV irradiation, helping car manufacturers optimize material selection and improve product quality.
The weather resistance of building coatings, plastic doors and windows, and other materials is directly related to the aesthetics and service life of buildings in the construction industry. Through UV aging testing, building material manufacturers can develop more durable products to ensure that buildings remain intact under long-term sun and rain exposure.
Electronic and electrical industry: The casings and components of electronic devices are also susceptible to UV erosion. UV aging testing can help companies predict the aging of products in actual usage environments and improve product reliability.
Plastic and rubber products
Plastic pipes, such as water supply pipes and drainage pipes, are exposed to ultraviolet radiation when used outdoors. UV aging tests can evaluate their weather resistance, ensuring that the pipes will not rupture or become brittle due to aging during long-term use.
Rubber seals: rubber seals used in automobile, machinery and other fields are prone to aging, hardening, loss of elasticity and other phenomena when exposed to the sun for a long time. UV aging test is helpful to detect their anti-aging ability and ensure sealing performance.
Plastic film: agricultural plastic film, packaging plastic film, etc., will be exposed to ultraviolet radiation during use. UV aging testing can evaluate the aging resistance of the film to determine its service life and effectiveness.
Coatings and Coatings
Architectural coatings: Exterior wall coatings need to have good weather resistance to resist the erosion of natural factors such as ultraviolet radiation and rainwater. UV aging testing can simulate the aging process of coatings outdoors and evaluate their color retention, adhesion, and other performance changes.
Automotive paint: The paint on the surface of a car should not only be aesthetically pleasing, but also resistant to UV damage, prevent fading, powdering, and other phenomena. Through UV aging testing, it can be ensured that automotive coatings can maintain good appearance and protective performance after long-term use.
Metal coating: The coating on the surface of some metal products, such as galvanized layer, aluminum plating layer, etc., can be evaluated for its protective performance and durability under ultraviolet irradiation through UV aging testing, preventing corrosion of the metal substrate.
textile
Outdoor sunshade products, such as umbrellas and awnings, require fabrics with good UV resistance to prevent fading and brittleness under sunlight. UV aging test can detect the anti-aging performance of textiles and provide guarantee for product quality.
Sports clothing: Some outdoor sports clothing claims to have sun protection function, and UV aging testing can verify whether its sun protection performance is still effective after long-term use and washing.
Home textile products, such as curtains and bedding, although not directly exposed to sunlight like outdoor textiles, can also be affected by indoor ultraviolet radiation. UV aging testing can evaluate its aging resistance and extend the product's service life.
electrical and electronic product
Shell material: The shell of electronic and electrical products such as televisions, computers, and mobile phones is usually made of plastic or composite materials. UV aging testing can evaluate the performance changes of the shell material under ultraviolet irradiation, prevent discoloration, cracking, and other problems that may affect the appearance and service life of the product.
Display screens: LCD screens, organic light-emitting diode displays (OLED), and other displays are affected by ultraviolet radiation during use. UV aging testing can study the impact of ultraviolet radiation on display screen performance, such as brightness attenuation, color changes, etc., to improve the reliability and stability of the display screen.
Photovoltaic materials
Solar cell modules: Photovoltaic panels are exposed to ultraviolet radiation for a long time outdoors. UV aging testing can evaluate the aging resistance of the packaging materials of solar cell modules, ensuring that they will not experience packaging failure or battery performance degradation due to ultraviolet radiation during long-term use, and ensuring the efficiency and lifespan of photovoltaic power generation systems.
Photovoltaic backsheet: As an important component of solar cell modules, photovoltaic backsheet needs to have good UV resistance performance. Through UV aging testing, the physical and chemical performance changes of the backplate material under UV radiation can be detected, ensuring the insulation, water resistance, and mechanical properties of the backplate.
Printing materials
Packaging printing materials, such as cardboard boxes, labels, etc., may be affected by ultraviolet radiation during storage and transportation. UV aging test can evaluate the light resistance of printing ink and paper, prevent printing patterns from fading and blurring, ensure the beauty of packaging and the readability of information.
Outdoor advertising printing materials: Outdoor advertising printing materials such as billboards and posters need to be displayed outdoors for a long time, and have high requirements for their UV resistance performance. UV aging testing can help select suitable printing materials and inks, improve the service life and display effect of advertising printed materials.
The UV aging testing service provided by Tonggui Testing has significant advantages:
Personalized testing plan: The technical team of Tonggui Testing will tailor a testing plan based on the characteristics, application scenarios, and testing requirements of the customer's product to ensure that the test results can truly reflect the product's aging resistance performance.
Strict testing process: from sample pretreatment, calibration of testing equipment, to monitoring and data recording during the testing process, Tonggui Testing strictly follows international standards and industry norms to ensure the accuracy and repeatability of test data.
Professional report interpretation: After the test is completed, Tonggui Testing will not only issue a detailed test report, but also provide professional report interpretation and technical support to customers, helping them better understand the test results and develop corresponding improvement measures.
Why choose general testing
Professional team support: With profound technical accumulation and rich project experience, the professional team of Tonggui Testing can provide customers with comprehensive technical support and solve various problems encountered during the testing process.
Advanced equipment guarantee: The internationally leading testing equipment introduced by the company can not only meet various complex testing needs, but also greatly improve testing efficiency and shorten testing cycles.
One stop service experience: The one-stop service model of general inspection allows customers to enjoy convenient and efficient inspection services without having to travel between multiple links.
Reliable reputation: Over the years, Tonggui Testing has established a good reputation in the industry with excellent service quality and professional technical capabilities, and is a trusted partner for customers.