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What are the categories of air filtration materials? What are the categories of air filtration materials?First, chemical fiber non-woven filter material: famous polyester fiber,Commonly known as non-woven fabric,Non-woven fabric has the advantages of extensive use, mature technology and good stability,It is a typical filter material for thick, medium efficiency plate and bag filter in China.The production process is made by fusion spray, acupuncture, water Thorn, spinning and sticking,Compared with other filter materials of the same level, it has the advantages of stable quality, large dust tolerance, strong moisture resistance, long service life and economic durability.But,There are also some shortcomings in non-woven fabrics,That is, the resistance is too large and environmental protection is not allowed to be burned or decomposed ).Non-woven fabrics are also the earliest filter materials used,Mature technology, low production costs,Although new filtration materials have emerged in recent years,Howeve
Children can't drink mineral water. can they drink pure water? Pure water is made from tap water through ion exchange, reverse osmosis, distillation and other processes. Low hardness, almost no minerals, after burningNo scale.Mineral water is naturally poured out from the deep underground or collected by drilling. it has strict requirements for water sources. it needs to be explored and evaluated by the local and mineral departments to take water sources.Protection measures. The price of mineral water is relatively high, mainly because of the high cost of water, not because of the trace minerals.The effect of odd. Mineral water often promotes rich 'trace nutrients' such as SR and SE.Difference:1. drinking pure water is based on water that meets the sanitary standards of drinking water. it is used by dialysis, ion exchange, distillation and other appropriatePrepared by the processor, it is sealed in the container and does not contain any water that can be drunk directly.Pure water pr
