Kafukufuku waku Canada wofufuza ntchito yayitali ya polystyrene (EPS) yolumikizidwa ndi nthaka idapangitsa opanga EPS ku North America ndi Canada kunena kuti kutchinjirizako ndikoyenera kugwiritsidwa ntchito pansi, mofanana ndi ntchito ya polystyrene extruded (XPS). ).
Pambuyo pake, kutengera umboni wa kulephera kwa ma shingle, kafukufuku wothandizidwa ndi mafakitale awonetsa kuti magwiridwe antchito a XPS muzinthu zenizeni zenizeni sizikugwirizana ndi kuyesa kwa labotale, zomwe zimapangitsa EPS kukhala chinthu chofunikira kwambiri. Ngakhale makampani a XPS atsutsa zotsatira izi ndi kafukufuku wawo, ndizosangalatsa kuti opanga XPS asintha maganizo awo kuchokera ku hygroscopicity yotsika yomwe imawonedwa mu labotale yomizidwa ndi mpweya wonyowa kupita kuzinthu zowonongeka za XPS.
Zolephera zambiri za XPS zimachitika chifukwa cha zovuta zoyika ma shingle komanso kugwiritsa ntchito zida kuphatikiza ndi nembanemba wosatsekera madzi. Pali umboni wosonyeza kuti XPS ndi yabwino ngati palibe ngalande dala mozungulira ndi pansi pa kutsekereza, kupereka kukana chinyezi kwambiri mukakumana ndi pansi.
Kusungunula kwa EPS kozungulira kumayikidwa ndi chotengera chakumbuyo, polyethylene pofuna kuteteza thovu, ndi mipope yokhetsa pansi pa kutchinjiriza. Komabe, XPS imayikidwa pogwiritsa ntchito nembanemba ya polyethylene.
Kapangidwe ka EPS ndi XPS kusungunula kwasintha pakapita nthawi, mwachitsanzo, zowombera zida zonse zasintha. Ku North America ndi Canada, XPS imapangidwa pakadali pano popanda ozoni akuwomba, koma sizili choncho kwina kulikonse. Zogulitsa zina za XPS zomwe zimatumizidwa ku New Zealand zikuwoneka kuti zidapangidwa podula zinthu zotayirira m'malo mozitulutsa kuchokera pakukhuthala kwachikopa. Cuticle pa pepala la XPS imachepetsa ukalamba ndipo imathandizira kwambiri kusunga chinyezi.
BRANZ yayesa chinthu cha XPS chokhala ndi matenthedwe a 0.036 W/mK. Mosiyana ndi izi, kupangika kwa thovu lodzaza kaboni ndi polystyrene ndizotsika kwambiri kuposa mtengowu. Mitundu yambiri ya styrofoam yomwe imapangidwa ku New Zealand imakhala ndi zida zobwezerezedwanso ndipo nthawi zina imatha kukhala ndi porous kwambiri.
Kuti chinyontho chilowe m'nthaka, chithovucho sichiyenera kutsekedwa kwathunthu ndi chotchinga madzi. M'nyengo yozizira, chinyezi chilichonse m'munsi mwa khoma chimakankhidwira kunja kwazitsulo zozungulira, choncho ndi bwino kugwiritsa ntchito chotchinga cha nthunzi kunja kwa kutsekemera. Ngati izi sizingatheke, chithovucho chiyenera kulowa pansi, ndikusiya malo otetezera omwe ali pamwamba pa nthaka.
Mwachizoloŵezi, madzi a mazikowo sayenera kukhala okwera kwambiri, choncho chiopsezo chachikulu chobwezeretsa chimachokera ku capillary effect pamene madzi amalowa pakati pa kutsekemera ndi konkire. Izi zitha kupewedwa pogwiritsa ntchito chopumira cha capillary (mwachitsanzo, tepi ya butyl) pansi pamphepete mwa cholumikizira.
Lembetsani kuti mulandire nkhani zonse, ndemanga, zothandizira, ndemanga ndi malingaliro okhudza kamangidwe ndi mapangidwe molunjika ku bokosi lanu.
Nthawi yotumiza: Jul-25-2023