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Toho Tenax Develops Multi-Material Roof Cover for Toyota Fuel Cell Bus

07 November 2017

Toho Tenax Develops Multi-Material Roof Cover for Toyota Fuel Cell Bus

Toho Tenax has developed a lightweight, multi-material roof cover for a fuel cell bus. The company reports that the roof cover, made of carbon fibre reinforced plastic (CFRP), aluminium and lightweight engineering plastics, can be manufactured in one large piece and is suitable for mass production.

Toho Tenax says the roof cover is for the world’s first mass produced fuel cell bus, developed by Toyota. Since the bus carries high-pressure hydrogen gas tanks in its upper structure, lightweight body components in the top part of the vehicle are crucial.

Toho Tenax, the core company of the Teijin Group’s carbon fibres and composites business, collaborated with GH Craft, Teijin’s composite structure design, development and evaluation unit, to develop the roof by leveraging Toho Tenax’s carbon fibre and mass production know-how and GH Craft’s moulding technology.

Continental Structural Plastics (CSP) joined the Teijin Group in January 2017 to enhance global development capabilities as a Tier 1 supplier and solution provider of multi-material components and design. Building on the multi-material roof cover’s selection for Toyota’s fuel cell bus, Teijin says it is looking to accelerate related in-house collaborations to enhance its presence as a Tier 1 supplier to automakers.


Photo provided by Teijin




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