
As for the new generation of heat insulation film, the reason why it needs to add some high purity cesium tungsten bronze powder as a key dingal raw material during production is because it has excellent optical properties, mainly in its visible light transmittance, excellent near infrared absorption performance. Next, let’s take a look at how to choose high-performance insulation film? Light transmittance: You should not choose a heat insulation film with too low light transmittance, especially the front windshield…