1. Kev ruaj ntseg ntawm cov khoom cuav rau cuav yog ib qho tseem txom nyem, uas yuav ua rau kom lub neej ntawm qhov khoom ua rau thiab ua rau cov khoom ua qis ua ntej. Cov khoom siv tsis zoo ntawm polyurea muaj cov nyom tsev neeg cov nyhuv, thiab yuav muaj teeb meem ntawm qhov kev sib txuas ntawm cov hlau, uas cuam tshuam rau cov dej tsis qab, tsis muaj kev cuam tshuam thiab cov kev ua tsis muaj hmoov av.
2. Cov khoom fake thiab tsis zoo ntawm cov khoom siv polyurea tsis zoo los tiv thaiv cov mildew, thiab cov khoom yuav muaj tshwm sim me ntsis, uas yuav ua rau cov khoom siv ntawm cov nplaum. Cov nplaim hluav taws tsis tshua zoo, tsis tuaj yeem tawm tsam cov pa roj carbon monoxide poov xab zom hluav taws xob, ua rau hluav taws. Cov khoom thaiv tsis zoo, kev sib tawg tshwm sim nyob rau hauv daim ntawv thov ntawm cov khoom, uas ua rau to.
3. Cov dej haus ntawm qhov khoom cuav polyurea yog loj, uas yuav ua rau lub pob crystallization ntawm cov khoom. Nws yog ib qho yooj yim los ua huab cua npuas, uas tsis tuaj yeem yuav tsum tau nqus thiab ua rau kev ua haujlwm ntawm lub rooj tsav xwm hauv Circuit Court.
4. Lub liquidity ntawm cov khoom cuav polyurea tsis zoo thaum nws tau ntim thiab kaw, thiab nws yuav tsis tau sau los ntawm cov phom. Muaj ntau cov kua nplaum nyob hauv qhov chaw pouring thiab tsis muaj kua nplaum ncig nws, uas tsis yooj yim rau kev khiav lag luam. Txwv tsis pub ua kom tsis muaj teeb meem, yuav muaj kev sib txuas ntawm txoj hlua hlau, muaj feem xyuam rau nws txoj kev tsis sib haum, tsis muaj kev cuam tshuam thiab tsis muaj kev sib thuam.
5, lub fake inferior polyurea khoom yog mos heev los yog dhau tawv tom qab tua, cuam tshuam los yog shockproof, tsis muaj peev xwm waterproofing muaj peev xwm. Thiab tom qab kho, nws yog ib qho yooj yim los tsim slag, uas ua rau nyuaj nyob rau hauv kho thiab scrapping.
