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For clarification:

Carbon Composite. this term is normally used far a thermoplastic with an amount of carbon fibers ( as in B4 carbon vs. plastic chassis)

S1 is Schumachers name for a black glassfiber polyresin composite " glassfiber"
the black color gives it s somewhat " carbonfiber look"

the term Carbon fiber is used for the carbonfiber polyresin composite ( that shiny woven stuff that we all like but is expensive)

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