Tuesday, November 26, 2013

No. 812: Successful development of the world’s thinnest and lightest car windshield (November 27, 2013)

Nippon Sheet Glass developed the world’s thinnest and lightest car windshield. The new windshield is 3.75 kg, 1 kg lighter than the existing car windshield of the same size. It has been adopted by Toyota’s three-wheel two-seater electric vehicle “i-ROAD” that has a 90 cm high and 50 cm wide windshield.  

The company reviewed the heating process of glass production, and developed 1 mm thick glass and glued it with another 2 mm thick glass to build a 3.75 mm thick windshield. Traditionally, two 2 mm thick glass sheets are glued together to build a windshield. If the new windshield glass is adopted by a four-wheel vehicle, the size of the windshield will be doubled. However, a vehicle that adopts the new windshield will be several kilograms lighter than the vehicle equipped with existing windshield of the same size. Nippon Sheet Glass plans to market the new windshield as a product that helps reduce fuel consumption. Nippon Steel Glass has about 25% share in the world’s car windshield market. 

Toyota's i-ROAD travels in Europe

Toyota's i-ROAD in the Tokyo Motor Show

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