Exhibit 23.2


          CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
          --------------------------------------------------------

We hereby consent to the use in this Registration Statement on Form S-1 of
our reports dated January 3, 2006 relating to the financial statements,
financial statement schedule, management's assessment of the effectiveness
of internal control over financial reporting and the effectiveness of
internal control over financial reporting of Zoltek Companies, Inc., which
appear in such Registration Statement. We also consent to the references to
us under the heading "Experts" in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP
St. Louis, Missouri
May 18, 2006