Application item PET fiber PA fiber PP fiber Carrier PET PA6 PP Appearance cylindrical granules cylindrical granules cylindrical granules Particle size /mm ¦µ(3.00.5) L(3.00.3) ¦µ(2.70.5) L(3.00.3) ¦µ(3.00.5) L(3.00.3) Moisture ¡Ü0.5% ¡Ü0.8% ¡Ü0.3% Chromatism [1] 4 class 4 class 4 class Melt point 2605¡æ 2255¡æ 1655¡æ Relative viscosity 0.50.1 2.10.10 N/A Heat stability [2] 300¡æ 280¡æ 280¡æ DF data / bar /g¡¤cm2 ¡Ü1 ¡Ü1.5 ¡Ü1 25Kg/bag