VOC emission test box Meet the criteria first In 2007, HJ/T400-2007 "Method for Sampling and Determination of Volatile Organic Compounds and Aldehydes and Ketones in Vehicles" In 2009, the mandatory standard GB24409-2009 "Restriction of Hazardous Substances in Automotive Coatings" was issued In...
(1) VOC emission test box Sampling time In principle, air sampling shall be carried out on the first day (24h), 3 days (72h), 7 days, (14 ±1) days and (28 ± 2) days after the start of the test, and other designated times are also Air sampling is possible. Note 1: The choice of test process is based on...
formaldehyde emission test box Working principle: Put a sample with a surface area of 1 square meter into a climate chamber whose temperature, relative humidity, air flow rate and air replacement rate are controlled at a certain value. Formaldehyde is released from the sample and mixed with the air in the...
The formaldehyde climate chamber is a formaldehyde emission detection test equipment developed according to the national standard GB18580-2017, LY/T1612-2004 American standard ASTM6007-2, European standard EN717-1, and international standard ISO16000-9. It is suitable for all kinds of wood-based panels and...
There are many reasons for ozone aging in the ozone aging test chamber of rubber. Among them, the common ozone-aged rubber has odor pulverization, fading, cracking, brittleness, and hardening. The editor of Annai will explain to everyone one by one. Ozone aging test chamber: 1....
The salt spray test in the salt spray test chamber is an important means to assess the salt spray corrosion resistance of products or materials. The scientificity and rationality of the test results are very important. There are many reasons that affect the stability and consistency of the salt spray test results....
1. Visual inspection: (1) Check whether the inner and outer packaging of the equipment is intact, and whether it indicates: Instrument number, implementation standard, date of delivery, manufacturer, receiving unit, whether it is the manufacturer’s original packaging, whether it is unpacked, damaged,...
The water ultraviolet aging test box is mainly designed and manufactured in strict accordance with the technical parameters of JC/T485-2007, which is suitable for the ultraviolet test of sealants. The ultraviolet aging box uses ultraviolet lamps to simulate the effect of UV irradiation of...
The constant temperature and humidity test box, also known as the "programmable constant temperature and humidity test box, is the same series as the "high and low temperature alternating damp heat test box. It is a necessary test equipment in the fields of aviation, automobiles, home appliances, scientific research,...
The ozone aging tester, also known as the "ozone aging test box", can be used for rubber products such as vulcanized rubber, thermoplastic rubber, cable insulation sheaths and other products, under static tensile deformation, exposed to air and air with constant ozone concentration without light. In a...
The xenon lamp aging test box is divided into water cooling and air cooling, which is mainly reflected in the cooling method of the lamp. When purchasing, you need to understand the difference between the two and make a reasonable choice based on the actual situation! The xenon lamp aging test...
Many customers are responding to the constant temperature and humidity test chamber in the process of using, always the temperature does not go up, there are many reasons for this, today I will come to talk with everyone about the temperature of the constant temperature and humidity test chamber does not...