No. 0562.01) 11/30/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: October 31, 2025 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation.

Automobile & Parts magazine honored PolyOne for several advanced material technologies that have been commercialized in the Chinese market, including Therma-Tech™ for efficient, low-energy LED lighting and LubriOne™ PEEK materials for power tools, bushings and bearing components. Two advanced packaging solutions – OnCap™ Light Shield and ColorMatrix™ Select – were identified for their role in helping customers to win amid fierce market competition.

ColorMatrix™ Ultimate™ UV390 Light Barrier for PET Proprietary light barrier technology that protects your contents from the harmful effects of UV rays.

UV and Light Blocking Additives Additive technologies that can give your product needed protection from light

UV and Light Blocking Additives Additive technologies that can give your product needed protection from light

More LED Lighting Solutions Learn how to transform your LED lighting systems, from lenses and reflectors to heat sinks to housings.

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