The compound reflection heat insulation board is a multilayer structure heat insulation produce with multilayer meter broad and nanometer heat insulation materials. It have realized the super lower conduction, without vonvection , shield and heat radiation reflection effectively, it also interdict the thermomolecular motion, so its adiabatic performance improve by 2-5 times compared with the other materials. You can use the compound reflection heat insulatioboard at 800 âat most.Thethermal coefficient of it is not only lower than the inorganic porous particle material but also lower than mineral wool, but the energy reduced of it is obviously higher than oter tradition heat insulation materials. It is the most advanced warm-keeping technology product at present