The steel fire door is filled with fireproof material, and its outer surface must be sprayed to achieve a uniform color standard. Steel fire doors all require a smooth appearance, and electrostatic spraying achieves this. The sprayed layer has good appearance quality, good adhesion, and short construction to forming time, which greatly reduces the construction period and labor intensity.

fire exit door material,pòt dife vs pòt nòmal, plak choute pòt dife,fire exit door legislation,fire exit door keep shut,

manifakti pòt rezistan dife,fire exit door material, pòt prensipal ignifuje, materyèl pòt prèv dife,fire exit door legislation,epesè pòt dife, pòt asye x,fire exit door keep shut,dife rated pòt 90 minit, 600mm pòt metal,

pòt an bwa ignifuje,fire exit door material,pòt metal 36 x 80, dife rated pòt ul, dife rated pòt rezidansyèl yo