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.

Reliable coloration to RAL 7011 and RAL 7035 colors was also required, something hard to provide when using post-consumer recycled (PCR) content, as performance can be more unstable than prime material. Utilizing the Social Plastic from Plastic Bank, two new Maxxam™ REC Recycled Polyolefin formulations were developed, one in each RAL color requested.

PlanetPak containers are optimized and recommended for Avient liquid colors and additives. VALUE BENEFITS OF USING FLEXCART™ AND PLANETPAK™ COMPONENTS FlexCart & PlanetPak components offer a market leading metering technology: • Robust and dependable system control • Reliable yield (typically 99% using PlanetPak) and sustainable packaging • Data networking and remote Internet support capabilities • Simplified changeover with interchangeable cassettes of color and additives ATTRIBUTE FLEXCART Footprint (LxW cm) 86 x 71 Controller options 3000/Flex G 5000/6000 Typical max. throughput (kg/hr) 1000+ Max. metering rate (cc/s) 10 Continuous use Yes Transfer pumps PC/Peri Metering pumps PC/Peri Interchangeable cassette Yes Note: PC = Progressing Cavity Pump Peri = Peristatic Pump PLANETPAK™ CONTAINERS The FlexCart system is designed to work with the standardized PlanetPak container range of packaging, typically achieving 99% reliable yield while also achieving a sustainable packaging format that is fully recyclable. Avient can provide support and assistance on every aspect of liquid color and additive processing.

ONFLEX™ HT ONFLEX™ AF 7210 ONFLEX™ S KA ONFLEX™ S KG Applications Fasteners/ Defining Characteristic High temperature sealing Ambient temperature sealing High temperature sealing Ambient temperature sealing Density 1.00 g/ml 0.99 g/ml 1.10 g/ml 1.13 g/ml Physical Properties Tensile Strength 6.0–10.0 MPa 5.0–11.5 MPa 3.0–7.5 MPa 2.6–4.9 MPa Tear Resistance 25.0–37.0 kN/m 21.0–43.0 kN/m 17.0–46.0 kN/m 16.0–29.0 kN/m Compression Set 73°F (23°C) 72hrs 12–27% 16–32% 13–23% 31–35% 158°F (70°C) 22hrs 28–44% 32–43% 29–38% 62–66% 212°F (100°C) 22hrs 45–53% 56–60% 54–57% 80–85% Hardness 40–80 Shore A 40–80 Shore A 40–80 Shore A 40–80 Shore A Overmolding Substrate Polypropylene/ Polyethylene Polypropylene Polyamide Polyamide Processing Injection Molding/ HOW GLS TPEs MAKE THE DIFFERENCE IN AUTOMOTIVE FASTENERS AND CLIPS • Low compression set – coupled with good stress relaxation, our automotive TPEs are designed to maintain a good seal over time and reduce noise generated by vibration • High temperature performance – Avient automotive TPEs provide good sealing performance in temperatures up to 100°C/212°F • Bonding performance - strong chemical bond to polypropylene, polyethylene, and polyamide • Process flexibility - grades can be both injection molded and extruded • Easy to color - can be colored at the machine • Reduced production steps - some grades do not require pre-drying • Low VOC/FOG - OnFlex HT™ has been externally tested to VDA 278 and is proven to help satisfy vehicle interior air quality (VIAQ) regulatory requirements • Single source supply – we can streamline your supply chain with the ability to provide polymer colorants, engineered thermoplastics, and thermoplastic elastomers from a single source • Global support - we provide production, technical, and commercial support in locations convenient to your operations, including North America, Europe, and Asia To learn more about GLS TPEs for automotive applications, visit www.avient.com or call +1.844.4AVIENT (1.844.428.4368).

A LOOK INTO THE FUTURE VIRTUAL REALITY APPLICATION BULLETIN AESTHETIC APPEAL Metallic and Custom Effects, FDA-Approved Masterbatch Colorants SOLUTION: Custom Polymer Colorants, Pre-Colored Resins WEARABLE COMFORT Flexibility, Skin- Compatible Comfort, Soft Touch, Heat Reduction SOLUTION: Thermoplastic Elastomers (TPEs), Thermoplastic Urethanes (TPUs), Silicone, Nylon (PA) FUNCTIONALITY Impact Resistance, Dimensional Stability, Strength SOLUTION: Copolyester, PC/ Polyester Blends, Polycarbonate, Styrenics BETTER EXPERIENCES.

Avient Colorants Sweden AB in Malmoe and Avient Colorants USA LLC in Lewiston, Maine are Medical Centers of Competence with an external ISO 13485 certification. Validation Avient Colorants Sweden AB and Avient Colorants Lewiston, ME follow the Global Harmonization Task Force guideline GHTF/SG3/N99-10 to define the procedure for process validation. HACCP Avient Colorants Spain S.A., Avient Colorants Toluca Mexico, and PolyOne Spain SLU follow the structure of HACCP (Hazard Analysis and Critical Control Point) as a system for assessing compliance to food safety standards.

KEY BENEFITS • Unique and personalized tracer for customer/ product lines • Suitable for polyester and polyamide (nylon), including recycled grades; possibility to develop solutions for bio-polymers • No impact on spinnability, color or yarn properties • Can be combined with color into a single product for convenience • Complies with key regulatory requirements by EN, DIN, UNI and others • Supplied with a testing service package Copyright © 2022, Avient Corporation.

No. 0562.01) Revised 05/31/2022 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, 2023 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 SAE J1756 Fogging Characteristics of Interior Automotive Materials (Photometric Only) 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.

Silcosperse LM dispersions can also be combined with colorants without affecting the laser marking shade or effect. KEY CHARACTERISTICS • Provides laser marking options of silicone materials • Eliminates the needs for etching and embossing • Faster and cleaner than pad printing • High contrast, permanent markings • Mechanical properties of the silicone matrix are maintained • Compatible with various types of lasers • Chemically resistant • Available in pre-colored or natural MARKETS AND APPLICATIONS Silcosperse LM Laser Marking additive dispersions are suitable for a variety of applications within industries such as: • Consumer Goods • Electronics • Healthcare • Industrial • Transportation • Wire & Cable Typical applications and purposes include: • Traceability, UPC bar-coding, branding • Unique Device Identification (UDI), medical device ID’s • Serialization for pharmaceutical packaging • Safety taggants & equipment • Automotive components • Wire & cable part numbers or gauge size www.avient.com Copyright © 2020, Avient Corporation.

Soft touch concentrates based on natural additives and colors can also be developed on request. KEY BENEFITS • Highly dispersed additives with high efficacy at low to moderate dosages • Excellent compatibility with the application resin • Non-phenolic and non-phthalate additives • Formulated without animal-derived substances • Food contact compliance according to US FDA and EU norms • OEM approvals for hygiene products • Can be combined with colors into a single combination concentrate for convenience • Product guidance and technical assistance from our experts