"3k" yog tus naj npawb ntawm filaments lossis pob loj.Nws tsuas yog txhais tau tias txhua "khoom" ntawm cov pa roj carbon fibers woven rau hauv daim ntaub muaj 3,000 tus neeg carbon filaments.Cov khoom loj (6k, 12k, thiab lwm yam) txhais tau tias cov pa roj carbon fiber ntau "bundles" thiab yog li cov ntaub tuab dua