... 1, Excellent price and quality 2, Light weight 3, Easy installation 4, ISO90 sandwich panelProduct DescriptionHeat Insulation / Inflaming ... parameters: 1. Composition: Core materials: EPS, XPS,Rok wool, Glass wool,PU, PUR Surface materials: PPGI, GI, Stainless steel sheet ... on4. Advantages: Energy-saving Light weight Sound insulation Environmental protection Most area-saving Most waterproof Most fire ...