1 Scope
This standard specifies technical requirements, test methods, inspection rules and use requirements of automotive solar control window films.
This standard is applicable to production and inspection of automotive solar control window films and also safety technology inspection of motor vehicles.
2 Normative References
The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document.
GB/T 2680-1994 Determination of Light Transmittance, Solar Direct Transmittance, Total Solar Energy Transmittance and Ultraviolet Transmittance for Glass in Building and Related Glazing Factors
GB/T 5137.1 Test Methods of Safety Glazing Materials Used on Road Vehicles - Part1: Mechanical Properties Tests
GB/T 5137.2 Test Methods of Safety Glazing Materials Used on Road Vehicles - Part2: Optical Properties Tests
GB 5768.2 Road Traffic Signs and Markings Part 2: Road Traffic Sign
GB/T 8417 Colours of Light Signals
GB 9656 Safety Glazing Materials for Road Vehicles
GB 11614 Flat Glass
GB 14887 Road Traffic Signals
3 Terms and Definitions
For the purposes of this document, the terms and definitions established in GB/T 5137.1 and GB 9656 and the following ones apply.
3.1
Automotive solar control window film
The thin film stuck on the automotive front, side and rear windshield safety glass, which keeps out heat from solar radiation but having no influence on safe driving to anyone.
3.2
Visible light transmittance
The ratio of luminous flux of the transmitted visible light to the incident visible light.
3.3
UV ray transmittance
The ratio of radiation flux of the transmitted ultraviolet spectrum to the incident ultraviolet spectrum.
