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Panoramic (wrap-around) windshield on a 1959 Edsel Corsair. The windshield (American English and Canadian English) or windscreen (Commonwealth English) of an aircraft, car, bus, motorbike, truck, train, boat or streetcar is the front window, which provides visibility while protecting occupants from the elements.
It is the piece of glass opposite the windshield. Back glass is made from tempered glass, also known as safety glass, and when broken shatters into small, round pieces. [1] Windshields are made of laminated glass, which consists of two layers of glass, separated by a vinyl sheet. [2] Vehicle glass may contain heating coils or antennae. [3]
Automobile windshield with "spider web" cracking typical of laminated safety glass. Laminated glass is a type of safety glass consisting of two or more layers of glass with one or more thin polymer interlayers between them which prevent the glass from breaking into large sharp pieces. [1]
Part 531: [82] Passenger automobile average fuel economy standards; Part 533: [83] Light truck fuel economy standards; Part 534: [84] Rights and responsibilities of manufacturers in the context of changes in corporate relationships; Part 536: [85] Transfer and trading of fuel economy credits; Part 537: [86] Automotive fuel economy reports
The National Glass Association is the largest trade association for the auto glass, architectural glass, and window and door markets. The NGA was founded in 1948, and currently has close to 3,000 member companies. This international association represents the interests of companies worldwide. [1] The NGA's Mission:
BS 857:1967 [1] is a currently in-use British Standard specification for flat or curved safety glasses (toughened or laminated) for use in land vehicles, including road vehicles and railway vehicles. The standard specifies the mechanical, safety, impact, and optical requirements as well as sampling and test methods.
FMVSS 108 is codified in Title 49 of the Code of Federal Regulations Part 571, Section 108. [1] The most recent version was published by NHTSA for comment in December 2007, [2] and since then, it has been amended in April 2011, [3] August 2011, [4] January 2012, [5] December 2012, [6] December 2015, [7] February 2016, [8] and February 2022.
The international glass code is based on U.S. military standard MIL-G-174, and is a six-digit number specifying the glass according to its refractive index n d at the Fraunhofer d- (or D 3-) line, 589.3 nm, and its Abbe number V d also taken at that line.