... time: ≥60-90minutes5) Environment : ≥950°C6) Door's features:fireproof,waterproof,sunproof,enviroment friendly.7)Surface ... and 50% payment before shippingContact information:Beijing Best Door Control Science & Technology Co.,ltdCindy Zhang86-13011228771Skype: ... cindy20129168 stainless steel fire door,1.5 hour fire rated doors,fire resistant door,fire proof door with glass