Harvakids window film supplier focuses on different kinds of custom window film manufacturing since 2005.
WhatsApp: 19149066195 Email: marketing@harvakids.com
VLT=light transmittance, UVR=ultraviolet rejection rate, IRR=infrared rejection rate. To put it simply, the primary focus should be on maximizing the values of the two dash lines, which are UVR and IRR, while Visible Light Transmittance can be adjusted according to individual preferences.