Oyi nchekwa (PU/PIR) panel Sanwichi
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Sanwichi nchekwa nchekwa polyurethane oyi
Igwe nchekwa oyi nke polyurethane na-eji ọkụ Polyurethane dị ka ihe dị n'ime.The uru nke polyurethane bụ magburu onwe okpomọkụ mkpuchi.The mputa nke polyurethane oyi nchekwa osisi bụ composted nke galvanized agba ígwè plate.it nwere ike igbochi okpomọkụ propagation mere site dị iche iche okpomọkụ n'ime na n'èzí nke oyi nchekwa osisi, nke mere na-eme ka oyi nchekwa ọzọ. nchekwa ike, melite arụmọrụ nke nchekwa oyi.
