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,hluav taws kub qhov rooj vs qhov rooj qub, hluav taws kub ntsuas qhov rooj ncaws phaj,fire exit door legislation,fire exit door keep shut,

hluav taws kub resistant qhov rooj manufacturers,fire exit door material, fireproof lub qhov rooj, hluav taws pov thawj qhov rooj khoom,fire exit door legislation,Hluav taws kub ntsuas qhov rooj thickness, steel qhov rooj x,fire exit door keep shut,hluav taws nyob qhov rooj 90 feeb, 600mm hlau qhov rooj,

ntoo fireproof qhov rooj,fire exit door material,hlau qhov rooj 36 x 80, hluav taws kub ntsuas qhov rooj ul, hluav taws kub ntsuas qhov rooj nyob