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Zoltek's Take: The market for CNG tanks will continue to grow, and therefore, require larger amounts of carbon fiber. As a result, Zoltek is focusing a considerable amount of time and attention on the opportunities in the CNG tank market.
An interesting point mentioned in this article is the importance of filament winding, which is the process of wrapping the tank liner with a reinforcement. In our case, the liner would be wrapped with carbon fiber.
The reason the filament winding comment is so interesting is that one of Zoltek's subsidiaries, Entec, is a world leader in filament winding systems and technology. So, in addition to selling carbon fiber for CNG tank production, Zoltek can also supply technical support that will increase the efficiency of the filament winding process.