Los ntawm cov tsos ntawm cov hlua khi insulating roj hmab yuav pom tau tias, cov hlua khi ntawm kev ci ntsa iab, siab tawv purity, tus nplaim dej, tsis muaj pob bump convex thiab convex, koj tuaj yeem pib txiav txim rau cov phom insulating zoo; Yog tias qhov rwb thaiv tsev ncoo xim ci ntsa iab Qis thiab npub, ntxhib deg, thiab npuas txawm, koj tuaj yeem txiav txim siab seb nws qhov kev txhawj xeeb zoo npaum li cas. Ntawm chav kawm, nws yog qhov tsis txaus siab kom muaj kab nrib pleb ntawm lub pawm.
Hnov kuj yog ib qho tseemceeb thiab tseemceeb rau kev txiavtxim siab, vim yog nws qhov tsw ntxhiab tsw ntev thiab tsis tuaj yeem kis tau ntev ntev, qhov zoo yog qhov muaj teebmeem, tej zaum yuav muaj cov pos hniav, plastics, roj hmab thiab lwm yam tsis zoo Khoom; yog tias cov rwb thaiv tsev tsis hnov tsw, thiab tseem kis tau ntev, qhov zoo tsis yog cov phooj ywg phem.