Aurora Capital Group on Thursday announced that it has completed the sale of Porex Corp., a maker of porous polymer materials, to Filtration Group of Chicago.

The Westwood private equity firm did not disclose terms of the deal. Porex is based in Fairburn, Ga.

The sale comes as Aurora is poised to complete its acquisition of engineering and test services company National Technical Systems in a deal valued at $267 million. NTS shareholders approve the acquisition on Wednesday, and the transaction is expected to close on Friday.