The Smart 4 film allows 50% of light into the cabin and reflects 12% of light away. Protection of 99% for UV rays and 60% for infra red rays
guarantees the safety of the interior. 35% of solar hear is blocked from entering the interior for a cool environment. The film has resistance to cracks and punctures, with 25, 000 PSI of tensile strength and less than 100% of elongation value. The adhesive of film reaches a peel strength of less than 3, 200 g/in.