Exhibit 23.1

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We consent to the incorporation by reference in Registration Statements No.333-97583, No. 333-67212 and No. 333-136694 on Forms S-8 of SCI Engineered Materials, Inc. of our report dated February 17, 2026, relating to the financial statements, appearing in this Annual Report on Form 10-K.

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/s/ GBQ Partners LLC

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Columbus, Ohio

February 17, 2026