Enhanced Performance Fiber Unit (EPFU) idiki saizi, huremu huremu, yakakwidziridzwa pamusoro pekunze sheath fiber unit ine chinongedzo chakagadzirirwa kuvhuvhuta mumachubhu masumbu nekuyerera kwemhepo. Iyo yekunze thermoplastic layer inopa yakakwirira yekudzivirira uye yakanakisa yekuisa zvivakwa.