Stephan, and Avient Corporation, “EMI/RFI Shielding Formulations for Use in Advanced Electronic Systems” (2014).

Stephan, and Avient Corporation, “EMI/RFI Shielding Formulations for Use in Advanced Electronic Systems” (2014).

Stephan, and Avient Corporation, “EMI/RFI Shielding Formulations for Use in Advanced Electronic Systems” (2014).

Stephan, and Avient Corporation, “EMI/RFI Shielding Formulations for Use in Advanced Electronic Systems” (2014).

Stephan, and Avient Corporation, “EMI/RFI Shielding Formulations for Use in Advanced Electronic Systems” (2014).

Stephan, and Avient Corporation, “EMI/RFI Shielding Formulations for Use in Advanced Electronic Systems” (2014).

No. 0962.01) 09/05/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 80 North West Street Norwalk, OH 44857 Craig Polta Phone: 419 660 4278 MECHANICAL Valid To: September 30, 2025 Certificate Number: 0962.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following tests on plastics: Test Method(s) Test Name ASTM D256; ISO 180 Notched Izod ISO 179 (1eA) Determination of Charpy Impact ASTM D523 Gloss ASTM D618 (Method A) Conditioning of Test Specimens ASTM D792 (Method A) Specific Gravity ASTM D1238 (Method B) Melt Flow Rate ASTM D3012 Thermal Oxidative Stability ASTM D3641 Injection Molding Test Specimens FMVSS 302 Flammability ASTM E1331; SAE J1545 Spectrophotometric Color Difference SAE J1885 (Rev. Accredited Laboratory A2LA has accredited AVIENT CORPORATION Norwalk, OH for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories.