... noise-absorbing 3.sound-insulated. 4.anti-corrosion Rock wool sandwich panel:Technical functionUnitIndexQualificationFibre averagediameterĪ¼ m4-7GB/T13350-92Densitykg ... 5 Detailed parameters:1. Composition: Core materials: EPS, Rock wool, Glass wool, Surface materials: PPGI, GI, Stainless steel sheet, galvanized sheets ... : (L*W*T)1000-12000mmX 950X (50,75,100,150,200mm)The long not than 11.8m3. Usage: ...