Steel fireproof rolling shutter door
Product Details
Details of steel fireproof rolling shutter doors：
a，The thickness of the steel door panel is 24mm, the wall thickness is 0.8mm,
and the material is galvanized. Paint process: plastic powder baking paint.
b，Track section size 100mm × 75mm, wall thickness 1.5mm.
c，The product quality is guaranteed for 2 years. Within 2 years, if the accessories are damaged, they can be replaced free of charge.
d，the fire rating is 180 minutes
e，If the product is used normally, it can be used for at least 10 years or more.
f，The product has passed the Chinese fire safety certification.
