This standard applies to solar shielding films that are attached to the window glass of offices, stores, residences, etc. (hereinafter referred to as buildings) to enhance indoor cooling and heating effects, and to prevent collisions, earthquakes, etc. This law stipulates glass shatter prevention films to reduce the chance of glass shatter in buildings being scattered and fallen due to explosions, as well as solar shading and glass shatter prevention films (hereinafter referred to as "films") that serve as both. Note I. Window glass here does not include organic glass. 2. In this standard, units and numerical values indicated with {} are based on conventional units and are included for reference only.