... large-caliber pipeline,storage tank,large-scale equipment,irregular thing,valve and pipe joint.Iron wire and stainless steel wire seam felt ... recommended to be used as insulated materials of boiler,shipping,valve and large-caliber and irregular pipelines. rockwool insulationDensity: 50--120kg ... Temperature( )2+AlO2-------------CaO+MgO Rock wool blanket 1Rock wool pipe 3.5