The constant temperature and humidity test chamber can be used to assess and determine the adaptability of electrical and electronic products or materials under storage and use under alternating environmental conditions of temperature and humidity. The equipment uses forced air circulation to maintain the uniformity of temperature and humidity in the working chamber. Perform a program test in which the test sample is not exposed to direct radiation from the heating and cooling elements within the equipment.
With the rapid development of modern industrial technology, the application fields of electricians and electronic products are becoming more and more extensive, and the environmental conditions experienced are becoming more and more complicated. Only by properly stipulating the environmental conditions of the product and correctly selecting the environmental protection measures of the product can the product be protected from damage during storage and transportation, and safe and reliable during use. Manually simulated environmental testing of electrical and electronic products is an essential part of ensuring high quality. The artificial simulation environmental test is a scientific summary of the actual environmental impact, which is characterized by typicalization, standardization, convenient use and easy comparison. The diversification of environmental conditions and the importance of environmental testing also place stricter requirements on environmental testing equipment.
With the continuous updating of technology and the continuous advancement of technology, the alternating test chamber will make greater contributions to the industry, and its application fields will continue to expand. 
1, kraft paper food containers can effectively protect food. It has good moisture resistance and can prevent food from being spoilt by moisture. At the same time, kraft paper has good permeability, which can maintain the freshness and taste of food.
2. Brown paper container is a degradable material, friendly to the environment. Compared with plastic containers, kraft paper containers are easier to decompose in the natural environment and will not pollute the soil and water. Moreover, kraft paper is a renewable resource that can be continuously produced through plant regeneration.
3, kraft containers also have good heat resistance. It can withstand high temperatures and is suitable for the packaging of hot food, such as hot soup, hot pasta and so on. This makes kraft paper containers widely used in the fast food and take-out industries.
Kraft paper food containers are an excellent packaging option. It can protect the quality and taste of food, and reduce the negative impact on the environment. In the pursuit of sustainable development today, the use of kraft paper food containers can contribute to the food industry and promote the popularity of environmental protection awareness.
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