Finish: Black Material: Stainless Steel Available For: All Kinds of Wooden Gate Door, Room Door Features: Switching Flexibility, No Noise, Long Life
1. Package: One pair with screws in kraft box & carton
2. Lead time: 30 - 35 days.
3. Our advantage: Guaranteed quality+ reasonable price+ on-time delivery+best service
4. Customerized size is available.
how we test the durabiity of the hinge?
1. we often test the open and close ability. after 200,000 cycles tested, our door hinge can keep the normal form and function
2. as for the fire resistance ability, our door hinge is mounted on the Class A steel fire door for fire resistance test. During the fire resistance test for 90 min, the sample has no obvious deformation and no channeling of fire, which can ensure that the installation of the fire-resistant door fan and hinge is not displaced and in a good closed state. The fire resistance time is more than 1.50 H.
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