Ubwino wa phenolic foam insulation board

 

1. Zowonongeka za polyurethane: zosavuta kuyaka ngati zayaka moto, zosavuta kutulutsa mpweya wapoizoni ndikuyika thanzi la anthu pachiwopsezo;
2. Zowonongeka za polystyrene: zosavuta kuyaka ngati zayaka moto, zimachepa pakatha ntchito yayitali, komanso kusagwira bwino ntchito kwamafuta;
3. Zowonongeka za ubweya wa miyala ndi ubweya wagalasi: zimaika pangozi chilengedwe, zimabereka mabakiteriya, zimakhala ndi madzi ambiri, zimakhala ndi mphamvu zowononga kutentha, mphamvu zopanda mphamvu komanso moyo wautali wautumiki;
4. Ubwino wa phenolic: wosayaka, wopanda mpweya wapoizoni ndi utsi ukayaka, kutsika kwamafuta otsika, kutsekemera kwabwino kwamafuta, kutchinjiriza kwamawu, kukana kwanyengo, komanso moyo wautumiki mpaka zaka 30;
5. Ili ndi mawonekedwe amtundu wotsekedwa wa selo, kutsika kwa kutentha kwa kutentha ndi ntchito yabwino yotsekemera yotentha, yomwe imakhala yofanana ndi polyurethane komanso yoposa thovu la polystyrene;
6. Angagwiritsidwe ntchito pa - 200 ℃ ~ 200 ℃ kwa nthawi yochepa ndi 140 ℃ ~ 160 ℃ kwa nthawi yaitali.Ndipamwamba kuposa thovu la polystyrene (80 ℃) ndi thovu la polyurethane (110 ℃);
7. Mamolekyu a phenolic ali ndi maatomu a carbon, haidrojeni ndi okosijeni okha.Zikawonongeka ndi kutentha kwambiri, sizidzatulutsa mpweya wina wapoizoni kupatula mpweya wochepa wa CO.Kuchuluka kwa utsi ndi 5.0%.Pambuyo 25mm wandiweyani phenolic thovu bolodi pansi pa lawi kupopera mbewu mankhwalawa pa 1500 ℃ kwa 10min, pamwamba kokha ndi mpweya mpweya pang'ono koma sangathe kuwotcha, kapena kugwira moto kapena kutulutsa utsi wandiweyani ndi mpweya wakupha;
8. Phenolic thovu ndi kugonjetsedwa ndi pafupifupi onse inorganic zidulo, zidulo organic ndi zosungunulira organic kupatula kuti zikhoza dzimbiri ndi amphamvu alkali.Yaitali kukhudzana ndi kuwala kwa dzuwa, palibe zoonekeratu kukalamba chodabwitsa, choncho ali wabwino kukana kukalamba;
9. Mtengo wa thovu la phenolic ndi wochepa, womwe ndi magawo awiri pa atatu okha a polyurethane thovu.


Nthawi yotumiza: Sep-13-2022