High Performance Fireproof PU Sandwich Panel A Class Two Layers

High Performance Fireproof PU Sandwich Panel A Class Two Layers Quick Detail: Item: Rock Wool Sandwich Panel Model: 960 Available thickness: 50-100mm Base Material: Prepainted galvanized steel Zinc coating: 60-120g/m2 Color: White, Blue, Green, Red, Beige, etc(according to RAL Color Chart) Description&Application: Rock Wool Sandwich Panel ,the up & down surface of this panel is Galvanized & Pre-painted steel sheets, core material is 5 components Polyurethane glue, it is