Generally speaking, in order to effectively control the environment and pollutants in the production workshop, people usually use filtration methods to remove pollutant particles to ensure a good production environment. Therefore, the application of clean room FFU filter membranes in clean rooms Very extensive.
Polytetrafluoroethylene (PTFE) material, commonly known as the “King of Plastics”, is a polymer compound polymerized by tetrafluoroethylene. It has excellent high temperature resistance, oxidation resistance, alkali resistance, and hydrophobicity. , non-adhesive properties.
The clean room FFU filter membrane is prepared by a biaxial stretching process. It has a microporous structure with staggered fibers. It has high porosity and small and uniform pore size. Therefore, polytetrafluoroethylene microporous membrane is widely used in Higher efficiency can be obtained with low resistance.
Disadvantages of clean room FFU filter membranes: Once the membrane is formed, the shrinkage rate of its raw materials changes greatly, making processing and reprocessing more difficult; its elasticity is low, its texture is soft, and its load-bearing capacity is not very good. High, easy to deform; low thermal conductivity, resulting in negative manifestations such as cracking, deformation and expansion.
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