TIANJIN LANGANG INTERNATIONAL CO.,LTDOur company TIANJIN LANGANG INTERNATIONAL CO.,LTD has been specialized in Rock Wool and Glass Wool for many years. 1).Rock wool for building Density:30-200 kg/m3 Thermal Conductivity (20℃): 0.036-0.039 W/mKLength and width: 1200mm*600mm as request Melting Point: >1000℃Thickness: 30-150mm as request Water Absorption: ≤0.5%Fiber average diameter: 5um A1 grade: Non-combustible2).Glass wool board and felt for industry,business and steel structure Density(Glass wool felt):10,12,14,16,20,24,32,48kg/m or as requestDensity(Glass wool board):24,32,40,48,64,80kg/m or as requestThickness: 25,30,40,50,75,100mm or as requestVeneering:FSK 40,FSK 50, DFSK,VR or as request