At present, the role of high-efficiency filtration membranes in clean rooms is to control the cleanliness and temperature and humidity of the atmosphere that products come into contact with, so that products can be produced and manufactured in a good environment.
The air in the clean room is squeezed into the air inlet system like a “piston”. The air flows through the primary effect filter, then through the medium effect filter, and then through the high efficiency or ultra high efficiency filter to transmit the clean air Entering the clean room, the air dust particles in the clean room can quickly reach the corresponding clean room standard requirements, and the pollution in the clean room can be discharged.
In order to consider energy saving, the discharged polluted air is returned to the clean room through a high-efficiency or ultra-high-efficiency filter.
Clean room high-efficiency filtration membrane refers to a microporous film made of polytetrafluoroethylene as raw material, using special processing technology, and through calendering, extrusion, biaxial stretching and other methods.
This kind of membrane has excellent breathability, corrosion resistance, aging resistance, high temperature resistance and other properties.
According to the usage requirements, the pore diameter can be between 0.1-10um, the thickness can be between 2-100um, the porosity can reach 50%–80%, and there are up to hundreds of millions of micropores per square centimeter.
The highest accuracy can reach H14 level (99.995%) or above. Since the micropore diameter is tens of thousands of times larger than water molecules and hundreds of times smaller than water droplets, it has excellent moisture permeability, air permeability and waterproof properties.
The clean room high-efficiency filtration membranes produced by the manufacturer use imported raw materials, have a full set of advanced production equipment, an advanced clean room and an independent composite slitting workshop, ensuring the production quality of ptfe membrane; using Production and testing instruments imported from the United States test the quality of PTFE film, and have passed international SGS testing and certification, as well as ISI testing and certification.
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