Ok, so this sounds like a cellulose/resin composite (compare to carbon fibre). Based on https://link.springer.com/article/10.1007/s10570-021-04384-7 https://li

Ok, so this sounds like a cellulose/resin composite (compare to carbon fibre). Based on https://link.springer.com/article/10.1007/s10570-021-04384-7 https://link.springer.com/article/10.1007/s10570-021-04384-7 (the summary of the source article), it is substantially weaker than carbon fibre. Fracture toughness is afaict ~50MPa^1/2 vs 5.2. The article reports hardness of 0.66GPa, but from the summary I don't know by which modulus, however carbon fibre is stronger than that in all measures.