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Basic requirements for material selection in corrosion protection design
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Basic requirements for material selection:
1. Â Â Â Â First consider the nature of the medium, temperature, and pressure. The nature of the medium is oxidizing or reducing, and its concentration ; contains no impurities, how the nature of impurities, impurities are to slow corrosion or accelerate corrosion, if it is accelerated corrosion, what is the reason for its acceleration? In addition, PH value and the conductive nature of the corrosion products generated media, have a clear understanding;
2. Â Â Â Â The temperature and pressure of the medium are also important factors to consider.
3. Â Â Â Â In the selection of materials should also consider the environmental corrosion of materials and product special requirements;
4. Â Â Â Â Secondly, the properties of the material should also be taken into consideration. As a structural material, it generally has a certain strength and plasticity;
Basic principles of selection;
1 , the use of materials performance /
1 Â Analyze the working conditions of the component ( P , T , medium, etc.) and determine the performance (strength, stiffness, plasticity, toughness, etc.) that the component should have.
2 Â Through failure analysis, determine the main use performance of the component.
3 Â Starting from the main performance requirements of the components, the requirements for the performance of the materials are proposed.
2 , material processing technology performance
3 , the economics of materials
4 , the choice of materials should meet the requirements of the specification standards
Description:
TOP formaldehyde removal material is successfully developed by Shenzhen China Textile Filters R&D center and Tsinghua University research institute of new material. Through the national scientific and technological achievements identified : This technology is advanced, energy conservation and environmental friendly, which has reached the domestic industry leading level, some achievements reached the international advanced level.
TOP, which is [Trapping Oxidation Particles". It has the performance of physical and chemical double adsorption nanometer catalytic oxidation decomposition of formaldehyde at the normal temperature, no secondary pollution. After testing of the Shanghai environmental protection and product quality supervision and inspection station, formaldehyde purification efficiency reached 98% in one hour, much better than the common coal and coconut shell activated carbon. It still has super purification effect even under the low concentration
Features:
1. Normal temperature catalytic oxidation mechanism, formaldehyde degradation to carbon dioxide and water, no harmful by-products such as formic acid and carbon monoxide.Long service life.
2. Nanoscale catalyst + nanoscale porous adsorption carrier, which can contact withformaldehyde fully, ultra high formaldehyde adsorption efficiency, catalytic degradation rate.
Formaldehyde Removal Filter,Removal Formaldehyde Filter,Clean Rooms Air Filter,Portable Air Purifier
Shenzhen China Textile Filters , http://www.ctfiltech.com