Cov khw muag khoom siv los qhia koj rau daim ntawv thov ntawm qhov chaw muaj ntau qhov chaw loj: 1, Cov khoom siv roj hluav taws xob
(1) khoom siv hluav taws xob. Feem ntau ntawm cov khoom siv nyob rau hauv cov khoom siv roj ntsha yog cov yeeb nkab uas siv rau hauv, cov khoom siv rau lub qhov rooj, cov roj ntsha qub, kos cov dej, kev ruaj ntseg, lub npas li qub, ntawm cov khoom qub, (cov khoom qub uas suav txij 3% txog 5% ntawm tag nrho cov cuab yeej cuab tam);
(2) Tshuaj fiber ntau. Tshuaj fiber ntau cov tshuaj yog polyester, acrylic, Vinylon peb pawg. Nws yuav tsum muaj lub pob valve, lub tsho khuam valve (lub tsho dav hlau, lub tsho loj hauv lub tsho dav hlau, lub tsho uas txiav tawm ntawm lub tsho);
(3) Acrylic ntshiab khoom. Cov cuab yeej feem ntau xav tau qhov loj ntawm lub valve uas ua, tsuas yog rau lub qhov rooj valve, ntiaj teb valve, kos valve, pob valve, chav cuab, koob globe valve, ntsaws valve, uas, lub qhov rooj valve txheeb txog 75% ntawm cov tag nrho valve;
(4) Ammonia cog. Vim hais tias ammonia qhov chaw thiab kev ntxuav huv yog txawv, qhov txheej txheem sib txawv, qhov kev xav tau qhov kev ua haujlwm ntawm lub tshuab muaj peev xwm kuj txawv. Tam sim no, cov tsob ntoo ammonia tshwj xeeb mas yuav tsum tau siv lub qhov rooj valve, globe valve, kos valve, chav ntxiab, npauj npaim valve, pob valve, diaphragm valve, regulating valve, koob valve, kev ruaj ntseg valve, kub thiab tsis kub kub valve.