polyurethane wall panel 1.Bothside material:colored galvanized steel 2.Inside material:PU foam 3.200000 meters per month Polyurethane wall panel:Two sides of color steel with high-density PU in the sandwich.using the lock to connect with each panel ,with the small gap between two panels,easy to install together.Fire Rating. PU reaches Grade A fire rating.1.Light weight enough to reduce building ...
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