... ,000x630mm or 1,200x600mm Rock wool blanket: 3,000x1,000mm Thickness: 30-100mm Density: 60-150kg/m3 ... light, flexible, resilient. And also have superior function like heat insulation, sound absorption, and fire-resistance. It widely used in ... kinds of keeping-warm and heat insulation pipelines. 2.SpecificationRock wool board: 1,000x630mm or 1,200x600mmRock wool blanket: 3,000x1,000mmThickness: 30- ...