Car air filter manufacturers claims that the product is also a low-cost consumable accessories, and the market demand is large, which makes manufacturers scramble for it. The product quality assurance ability and control level of small manufacturers are low. There are no equipment and methods for inspection of raw materials and auxiliary materials when entering the factory and finished product inspection, and the quality control system has not been established.
The unqualified original filtration efficiency is related not only to the pore size of the filter paper, but also to the processing parameters of the filter element products. Therefore, the use of reasonable processing technology is also the key to the qualified production of air filter manufacturing companies.
The quality index of raw materials used for filter paper has a great impact on the product quality such as aperture, air permeability, quantitative and other parameters. It can be said that the root cause of unqualified base paper durability is unqualified filter paper. Some car air filter manufacturers do not have quality control awareness and methods in the process of raw material procurement, so they blindly seek to reduce procurement costs. The use of cheap filter paper is the main reason for the unqualified product quality. Most production enterprises do not have the awareness or ability to inspect the incoming raw materials, resulting in the use of unqualified filter paper to produce unqualified filter elements.
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