INDUSTRY BULLETIN STANDARD UNITS ONFLEX LO 7120-45N Volatile Organic Compounds VDA 278 ug/g(ppm) 41 Fogging VDA 278 ug/g(ppm) 521 Odor • Control • Dry conditions • Wet conditions SAE J1351 (15) 1-10 Scale 1 2 1 Compression Set (23°C) • 22 hours • 70 hours ASTM D395 % 14.4 14.6 Capillary Viscosity • 1341/s • 11170/s ASTM D3835 Pa*s 35 7 HVAC SYSTEMS OnFlex™ LO • Features: low VOC/FOG, low odor, good compression set, easy processing, overmolds to polypropylene • Example applications: seals and flaps in heating, ventilation and air conditioning systems CHARACTERISTICS ONFLEX ™ LO ONFLEX™ AF TPE GENERAL PURPOSE TPV TPO Volatile Organic Compounds (VDA 278) Very Low Moderate Moderate Moderate Very Low Fogging (VDA 278 & DIN 75201) Very Low Moderate Moderate High Very Low Odor (VDA 270 Requirement ≤3.0) ≤3.0 ≤3.0 >3 >3 ≤3.0 Gloss Level Low Low Low Very Low High Tactile Feel Grippy Grippy Grippy Grippy Waxy Pre-Drying Required No No No Yes No Raw Material Costs $$ $$ $$ $$$ $ Compression Set @ RT Good Good Good Excellent N/A Compression Set @ ≥70°C Moderate Moderate Moderate Good N/A UV Resistance Good Excellent Good Good Good Weatherability Good Excellent Good Good Good Hardness Range Low to High Low to High Low to High Low to High High Density (g/ml) 1.15 0.99 0.90–1.20 0.95–0.98 0.90–1.20 GENERAL CHARACTERISTICS COMPARING TPE, TPV, TPO Grades shown on both pages are representative of solutions manufactured in North America, more grades available globally.

The control points are generally set to control known sources of variance. Key performance indicators and goals are set for each business 8. Goals are set by facility and function for reduction in complaints.

Setting and periodically reviewing environmental objectives and targets assures excellence in environmental leadership. Avient strives to be the industry leader in safety and health by setting aggressive goals, measuring performance, and making necessary adjustments.  Setting goals and objectives that drive continual improvement and check effectiveness of risk reduction measures in product safety and stewardship

The substance is used in powdered form in industrial settings only. DOCUMENT NUMBER_ SSS-002 EXPOSURE HUMAN HEALTH SAFETY ASSESSMENT Human Health The substance is used in industrial settings only. Uses in industrial settings are generally under controlledconditions and often in closed system.

Setting and periodically reviewing environmental objectives and targets assures excellence in environmental leadership. Avient will be the leader in safety and health by setting aggressive goals, measuring performance, and making adjustments when necessary.  Setting goals and objectives that drive continual improvement and check effectiveness of risk reduction measures in product safety and stewardship

China TEL: +86 21 32799000 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Certificate No: 2997-2006-AQ-RGC-RvA Initial certification date: 08 June, 2006 Valid: 11 April, 2022 – 11 April, 2025 This is to certify that the management system of Polyone - Suzhou, China EM Sector, 77 Shenggang Street, Suzhou Industrial Park, Suzhou, Jiangsu, China, 215024 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016/ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Plastic Compounding Material Certificate No: 2997-2006-AQ-RGC-RvA Place and date: Shanghai, 27 April, 2022 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

China TEL: +86 21 32799000 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. Park, Pudong, Shanghai China, 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016/ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Masterbatch Certificate No: 7071-1998-AQ-RGC-RvA Place and date: Shanghai, 19 March, 2021 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

MSC Certificate Place and date: For the issuing office: Shanghai, 20 March 2024 DNV - Business Assurance Building 9, No. 1591 Hongqiao Road, Changning DistrictShanghai China 200336 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. Park, China (Shanghai) Pilot Free Trade Zone, Shanghai, China 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016 / ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Colour and Additive Concentrates http://www.dnv.com/assurance Certificate no.: 7071-1998-AQ-RGC-RvA Place and date: Shanghai, 20 March 2024 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

With a custom view you can create a set of advanced search filters. 1. You can use the following settings when creating or editing a custom view for a CSP table. 4. Once complete, save your settings.

IATF Certificate Place and date: For the issuing office: Katy, TX, 10 December 2024 Revision 2 DNV - Business Assurance 1400 Ravello Drive, Katy, TX, 77449- 5164, USA Sherif Mekkawy Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. No. 1, Qihang Industry Park, Haoxiang Road, Shajing Town, Baoan, Shenzhen, Guangdong, China 518104 (USI: C5M65R) and, if applicable, the remote supporting locations as mentioned in the Appendix accompanying this Certificate has been found to conform to the Quality Management System standard: IATF 16949:2016 This certificate is valid for the following scope: DESIGN AND MANUFACTURE OF PLASTIC COMPOUNDING MATERIAL EXCLUSION: NONE http://www.dnv.com Certificate no.: 273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Place and date: Katy, TX, 10 December 2024 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.