Fire door hinges are non combustible, non explosive, water resistant, chemical resistant, non-toxic and have good mechanical strength. The fire door hinge has high fire resistance. In the simulated combustion test, it does not deform when the maximum temperature reaches 800 degrees, and has good fire resistance and flame resistance.

ZHTdoors防火門，31年防火門窗生產經驗。 主營UL防火門、EN防火門、BS EN防火門等。我們有認證。ZHTdoors支持OEM和免費設計。我們的優勢：質量好，出廠價，服務好。歡迎諮詢。