Daim ntawv raij kub yog daim ntawv tsim los tshwm sim rau kev pab kom muaj qhov sib txig sib xeb zoo txaus hauv qhov chaw sib txig sib xeb, uas tseem ceeb tshaj plaws yog kom saib xyuas kev sib txig sib xeb ntawm kub. Kev xaiv nws yog nyob ntawm kev thaub siab ntawm cov leej cipher, uas kub yooj yim tso siab kom muaj zog meej meej, kev nyob dav hlav, thiab kev sau ua lej. Txhawm tias muaj ntau hom foam rigid thiab ib co thermosets tau raug siv, tab sis feem ntau siv rau kev lag luam siv rau kev tsim khoom zoo, tshaj tshua yog rau aluminum fenestration thiab kev sib txig sib xeb raij kub, yog polyamide 66 (PA66) uas muaj sib txig sib xeb los ntawm phiaj roj. Cov khoom no, uas muaj phiaj roj tshaj li 25% mus rau 30%, muaj cov leej cipher zoo: kev sib txig sib xeb kub nyob rau 0.3 W/m·K, uas yooj yim dua aluminium ntau heev, thiab muaj zog tshaj hauv kev txig thiab kev txiav. Qhov zog no yog tsis tu ncua, vim tias cov khoom yuav tsum tau txig kev pheej zog rau sab nraud thiab sab nraud ntawm cov neeg muaj zog, thaum twv kev txiav nqaij (cold flow) nyob rau hauv kev nyob ntev. Ntxiv mus, cov khoom raij kub yuav tsum muaj kev nyob zoo txaus, muaj qhov kub tso cua sov dua 250°C kom tuaj yeem tiv thaiv tus kheej tawm ntawm kub thiab muaj qhov kub tso cua sov ntau kom tuaj yeem tiv thaiv tus kheej tawm ntawm kev nyob hauv cheeb kam. Kev tiv thaiv tawm ntawm kev sib tham xwb, xwv laim (yog tias pom), dej, thiab tshuaj siv xwb zoo li alkalis hauv concrete lossis tshuaj saib xyuas yog tseem tseem ceeb. Cov khoom yuav tsum sib tham xwb zoo nkauj rau kev tsim khoom xwb zoo li extrusion rau strip profiles lossis casting rau "pour and debridge" method hauv aluminum windows. Thaum kawg, kev xaiv khoom raij kub yuav tshwm sim rau kev nyob ruaj ruaj, kev tiv thaiv tawm ntawm kev sib poob, kev nyob ruaj ruaj, thiab kev nyob ntev ntawm tag nrho qhov chaw, uas tshuaj tshuaj rau kev tsim khoom nyob ruaj ruaj nyob tam sim no thiab yog qhov tseem ceeb tshaj plaws ntawm kho vaj tse nyob hauv kev tsim khoom.