... load bearing capacity 4 can be designed as special requiremen Rock wool sandwich panel:Technical functionUnitIndexQualificationFibre averagediameterμ m4-7GB/T13350-92Densitykg / m ... rate% < 5 Detailed parameters:1. Composition: Core materials: EPS, Rock wool, Glass wool, Surface materials: PPGI, GI, Stainless steel sheet, galvanized sheets, PVC ...