... panel, with good quality and competitive price light weight compound cement sandwich panel, light weight concrete sandwich panel1. Composition: Core ... ash core Surface materials: fiber reinforced calcium silicone board or cement calcium silicone board2. Specification: (L*W*T) 1500-3000mm ... X 610mm X (50, 75, 100, 120,150,180mm) fiber cement board on both sides: 5mm, 6mm, 8mm 3. Usage: Interior ...