Features: 1. Rock wool blanket (1) Weight:100-180kg/m3 (2) Specification:Length:3000mm Width:1000mm (3) Thickness:30mm; 2.Performance 1)Good performance of thermal insulation, mechanical, fire prevention 2)High acidity has better chemical stability and fiber durability. 3)Low cost and high temperature resistance. 2.4. Good characteristics of sound absorption