The present invention discloses a method for producing a preform for two-stage injection-stretch-blow molding from a polypropylene resin prepared by a Ziegler-Natta catalyst system and having a melt flow index MI2 of 1–20 dg/min, wherein the polypropylene is injected at a melting temperature of at least 265°C. The present invention also discloses a preform obtainable by the method, application of the preform in producing a bottle, and a bottle produced from the preform.

Country Code: BE

Application Number: CN200680039380.3