Lub plhaub polyurethane ua npuas ncauj lub plhaub yog tsim los ntawm cov txheej txheem tiv thaiv thiab txheej txheej thermal rwb thaiv tsev, nyob rau hauv cov txheej txheem thermal rwb thaiv tsev yog ua los ntawm polyurethane rigid foam khoom. Lub thermal conductivity ntawm polyurethane rigid foam khoom yog me me, tsuas yog 0.016-0.024w/m k. Nws yog qhov zoo tshaj rau cov kav dej ib txwm muaj thiab muaj txiaj ntsig zoo rau kev txuag hluav taws xob. Cov khoom tuaj yeem raug faus ncaj qha rau hauv cov txheej hauv av tiv thaiv kab mob, nrog rau ntau qhov kub thiab txias, txij li ntawm - 196 mus rau 120 degree. Cov khoom yog waterproof, anti-corrosion, resistant rau ntau yam kua thiab gases, nplaim retardant, anti-aging, thiab muaj ib tug kev pab cuam lub neej ntawm 30 xyoo. Yog li ntawd, cov khoom yog dav siv nyob rau hauv engineering teb ntawm cua sov thiab cua txias.
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