Futura Polyesters Limited manufactures Polyester Dope Dyed Trilobal Tow. Futura Polyesters Limited has been awarded with ISO 9001:2000 certifications. Polyester Dope Dyed Trilobal Tow is used for blending with wool to make worsted fabric with viscose and cotton fibre, after cutting into required staple lengths to make P/V or P/C blend yarn. Polyester Dope Dyed Trilobal Tow is available in 2.5 / 3.0 denier.