What is nano material? Nano-material means that at least one dimension is in the nano-scale range in three dimensional space (1-100nm) or materials made up of them as basic units,This is about 10 ~ The scale of 100 atoms closely arranged together.Nano-materials can be roughly divided into four categories: Nano-powder, nano-fiber, nano-film and nano-block.1. nano powder.Also known as ultra-micro or ultra-fine powder,Generally refers to powder or particles with particle size below 100 nm,It is a solid particle material in the intermediate state between atoms, molecules and macro objects.Can be used: high density magnetic recording material;Absorbing stealth materials;Magnetic fluid material;Radiation-proof materials;Polishing materials for single crystal silicon and precision optical devices;Thermal conductive substrate and wiring materials for microchips;Electronic Packaging materials;Optoelectronic materials;Advanced battery electrode material;Solar cell materials;Efficient catalyst;High-efficiency combu
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What is a front filter? Before the reverse osmosis membrane, the pre-filter is generally composed of three levels, PPF cotton or granular activated carbon. the pre-filter is mainly to filter suspended matter or colloidal or heavy metals that are relatively large particles, the role is to prevent the fourth-stage RO membrane blockage. if the pre-effect is good, the service life of the fourth-stage RO reverse osmosis membrane can be extended. the filtration after reverse osmosis is the rear activated carbon small T33, the main thing behind is to improve the dry mouth of water and so on . The materials of the water purifier are generally food-grade and have no harm to the human body, but if the materials reach the saturation period and you do not replace them in time, it will cause two pollution. Pre-filtration is a relatively simple filtration device installed before water enters a precision filter. precision filters generally refer to filters that filter water can drink directly, pre-filtration is generally
