... components PU glue through forming machinesSpecifications:(1)Core Material: Rock Wool, EPS, PU; Surface Materials: MgO boards or ... residentid quarters,school,hospital,etc.Characteristics:1) With deadweight light, a giraffe fitting and random incise characteristic, the ... effects.5) In common use heat preservation materials are rock-wool, polystyrene,polyurethane, all with lower thermal conductivity ...