A black masterbatch for polyester polymer consisting of: (a) 25-99.7% of polyester polymer by weight; (b) 0.1-20% of dispersive second polyester by weight and/or 0.1-15% EVA by weight; and (c) 0.1-40% of carbon black by weight; whereby the black masterbatch can be easily manufactured by a simple process without polluting the environment.
