Fire resistance:
Polyurethane /PU edge sealing rock wool color steel sandwich panel, polyurethane/PU edge sealing glass wool color steel sandwich panel > pure polyurethane sandwich panel
Generally, the fire resistance of polyurethane sandwich panel of pure polyurethane sandwich panel can reach grade B1 (ignition failure), and the ordinary polyurethane sandwich panel can reach grade B3 (ignition for 3-5 seconds).
The fire resistance of rock wool core polyurethane edge sealing, glass wool core polyurethane edge sealing Sandwich panel, rock wool panel and glass wool panel reaches grade A, and the fire resistance is high.
Post time: Jul-12-2022