SPF 15 – 93% harmful UVB rays blocked
SPF 30 – 97% harmful UVB rays blocked
SPF 50 – 98% harmful UVB rays blocked
What is PA? PA is the indicator of effectiveness of UV-A protection
E.g. PA+ – Has some UV-A protective effect. Not the entire range of UV-A. PA++ – Has good UV-A protective effect. Cover most of UV-A. PA+++ – Has great UV-A protective effect. Cover almost entire range of UVA (up to380 nanometer)
RayBarrier Signature Class is the only window film in the world that provides you both SPF + PA+++ protection. This is the latest generation of Premium Performance Solar Control Films developed by Sumitomo Osaka Cement Co. Ltd., Japan (SOC) – our technology partner by utilising its advanced nanotechnology. Through Sumitomo Single-Nano-Particle methodology, RB Signature Class is the world-class solar heat rejection film that comes with superior optical clarity, proven adhesive longevity and 99% UV-A rejection. The same nano-particle in your RB Signature Class is the key ingredient of PA+++ protection that SOC supplies to world class cosmetics and skin care companies.