This film produces a crystal-clear negative and is capable of great results. It should not be overlooked, however, that grain size of IR-sensitive films will be greater than that of typical panchromatic films.
Push processing is certaˇnly an option up to 800 ISO with the right developer, e.g., in our experience:
http://www.foto-r3.com/es/argenti-ultra-iso-250ml.html