... quality polypropylene carpet yarn, black polypropylene yarn, polypropylene filament yarn: cationic polyester POY DTY FDY 50/72, 75/72, 150/288polypropylene dope ... ) FDY DTY 50/72, 75/72, 150/288low melting point polyester FDY ,melting point 110 +/-5%centidegrease 50/72, 75/72 ...