Sandwich panels

1.Energy saving and heat insulation : the closed cell rate is equal to or larger than 97% and the heat insulation performance is excellent.
2.Fire-resisting performance: the products have passed the inspection by National Center for Quality Supervision and Test of Fixed Fire-extinguishing Systems and Fire-resisting Building Components and proved to be in line with the requirement of grade in GB8624-2006.
3.Air tightness and sound insulation: the products have great sound insulation and decrease the sounds due to impacts of rainwater or hailstone.
4.Environment friendliness: being free from formaldehyde and microorganisms, it may be recycled.
5.Beautiful appearance and high economical efficiency: the products have diversifying surface forms and colors. Besides, they consume less materials and therefor save both construction time and construction cost.
6.Quick construction: polyurethane panels are produced in the highly controlled environment with constant temperature and therefore have steady quality. They may be constructed quickly. They have been applied for over 35 years.