Lub thermal conductivity ntawm lub thawv steel yog li 50 W / (m·K) - 20 npaug ntawm cov cib liab thiab 200 npaug ntawm cov ntoo. Nyob rau lub caij ntuj sov ncaj qha, lub ru tsev tuaj yeem ncav cuag 70℃(158℃F), thawb sab hauv kub mus rau 50-60℃(122-140℃F) - zoo li lub qhov cub. Nyob rau lub caij ntuj no, cua sov tawm sai sai, ua rau sab hauv khov txias. Kev rwb thaiv tsev tsis zoo ua rau cov neeg siv khoom tsis zoo thiab ua rau cov nqi hluav taws xob poob siab (kev lag luam hluav taws xob hauv California tuaj yeem yog $ 0.25-0.35 / kWh). Yog li ntawd, rwb thaiv tsev yog ib qho ntawm peb qhov kev txhawj xeeb tshaj plaws rau cov neeg siv khoom txawv teb chaws.
Kev sib piv ntawm Plaub Lub Ntsiab Kev daws teeb meem
| Kev daws | Khoom siv | Thermal conductivity (W / (m · K) | Qhov zoo | Zoo tshaj rau |
|---|---|---|---|---|
| Spray polyurethane ua npuas ncauj (SPF) | Kaw-cell PU | 0.020‑0.024 | Seamless, noo noo-pov thawj, soundproof | Mob khaub thuas hnyav (US sab qaum teb xeev, Canada) |
| Composite Sandwich vaj huam sib luag | PU / XPS / pob zeb ntaub plaub | 0.022‑0.035 | Fast installation, zoo zoo, tshem tau | Feem ntau ua lag luam café |
| Air Gap + Reflective ntawv ci | Aluminium ntawv ci + ntoo furring | Sib npaug 0.15-0.20 | Tus nqi qis, lub teeb yuag | Kev nyab xeeb me me (piv txwv li, Southern California) |
| Lub tshuab nqus tsev rwb thaiv tsev (VIP) | Fumed silica | 0.004‑0.008 | Ultra-nyias (10mm=50mm ntawm cov pa ua npuas ncauj) | High-end, space-limited tej yaam num |
