PU Sandwich panel (Polyurethane sandwiched panel )is composed of 2 layers of weather-proof colored steel sheets and jetted the hard forms of polyurethane between 2 layers which feature fireproof materials. It is suitable for the various roofs and walls referring to the large-size factory buildings, storages, exhibition halls, gymnasiums, freezing stores, purifications workshops, etc, which features temp-keeping, heat insulation, weight-bearing, weatherproof with the rich colorfulness and good appearance.
Polystyrene Sandwich Panel also called PU Sandwich Panel, the up & down surface of this panel is Galvanized & Pre-painted steel sheets, core material is 5 components Polyurethane glue, it is formed by heating, foaming & laminating. Polyurethane is the best material for temperature keeping and sound insulation. It is widely used as the wall or roof for cold storage, industrial workshop, public building etc.
 2.Features:

(1). The panel can be used as wall and door
(2). It is good at heat insulation and acoustic insulation and waterproof, fireproof.
(3). It is convenient to install and beautiful appearance
(4). Each side of the board is high quality galvanized color coated steel sheet, so that is rust-proof.
(5). Density of foam: Rock wool sandwich panel:  80kg/m3 -150kg/m3
PU sandwich panel:40-45kg/m3 EPS sandwich panel: 8-20kg/m3
(6). It is widely used in Purifying factory, combined house, building top attachment, indoor partition, automobile painting room, refrigerator and other projects, e. G. Interior decoration of civil building for medicine, electronic, foodstuff, beverage, vegetable preservation and large refrigerator etc.

Contact:
If you have more requirement, please kindly contact us:
sinosteelstructure.en.made-in-china.com
Shandong Wiskind steel building stock Co., Ltd
No.800,Xingbo 5 Road,Boxing Economic Development Zone,Shandong province,China.