rock wool sandwich panel

Rock wool sandwich panel Features: 1.Composed of 2 layers of weather proof colored steel sheet and jetted hard forms of polyurethane between 2 layers(fireproof material). 2.Suitable for varioud roofs and walls referring to the large size factory buildings,storages,exhibition halls,gymnasiums,freezing stores and purification workshops (temp-keeping,heat insulation,weight bearing,weatherproof,rich color and good appearance). 3.Light self-weight:10 to 14kg/sqm. 4.Installation is convenient and flexible without the large-size lifting devices so that the constrution period is limited with the lower comprenhensive costs. 5.Heavy load bearing capacity:high strength and high rigidness ang is suitable either for the weight -bearing structure or for the protectivve structure. 6.Good temp-keeping and hest insulation. 7.Average therumal conductivity:<=0.041/mk. 8.Flexible application:as the continuous production line is controlled by the computer system,the length of the said compound sheets wil be decided and selected according to the designing requirement, transport and installation conditions. 9.Can select different thickness of the composite pannel in accordance with the proof load bearing and purlin distance. 10.Fine fireproof:test by national quality inspection center for fireproof building material,all its index reach grade B1and rad Aof GB8624 respectively. Packing:as per your requirement...