April 3, 2025 April 3, 2025 Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Wednesday, May 3, 2023 Wednesday, May 3, 2023 Rose, Vice President, Marketing and Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

BASE RESIN ABS Drying Temperature 80–90°C Drying Time 2–3 Hours Barrel Temperatures °C Rear Zone 180–210 Center Zone 190–220 Front Zone 200–230 Nozzle 210–240 Mold Temperature 50–80 Screw Speed Moderate Back Pressure 3–10 bar Cushion 5–15 mm Injection Speed Low to medium Injection Pressure Moderate to high Holding Pressure 10–30% of injection pressure Screw Type General purpose Screw L/D 20:1 Screw Compression Ratio 2.0:1–2.5:1 Non-return Check Valve Free flow check ring Nozzle Type Reverse taper Barrel Capacity 30–80% of barrel should be used STARTUP & SHUTDOWN RECOMMENDATIONS Purge Compound 2–3 melt flow PP or purging compound. Draft Angle • Maintain a minimum draft angle of 1° per side.

ZW OLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS. TEL:+31102922689. assurance. dnvgl.com C ertificate N o: 7 0 7 1-1998-AQ -RGC-RvA I nitial c ertification date: 2 8 A pril, 1 9 98 V alid: 2 9 M arch, 2 0 18 - 2 9 M arch, 2 0 21 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. ACCREDITED UNIT: DNV GL Business Assurance B.V., ZWOLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS.

BARREL TEMPERATURES ENGLISH (°F) METRIC (°C) COMMENTS Zone 1 - Rear 420° F 460° F 216° C 238° C Long residence times are not advised. Duration 2–3 Hours Moisture Level Allowable N/A Notes These preliminary guidelines are based on lab results. Screw Speed Low–moderate Injection Velocity 1–3 inch per second Back Pressure Low–moderate Pack Pressure 60–80% of max injection pressure Hold Pressure 40–60% of max injection pressure Cool Time 10–30 seconds (depends on part geometry and dimensional stability) Residence Time Long residence times are not advised 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

X ET6600-0031 RS Black X GT-29961-001-1 (35A9) Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X GRV-TE1-045-SS-W-BLK V3 X HC 16462-01-1 185C-2 RED Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X 3839 Tecoflex EG93A Smartsilver NAT X HC 91915#SR-03727 Blue 285C Laser 13NPD7 PEARL BLUE 1

X GV 154286#SR-10340 Blue X GV 160283#SR-10341 Green CREAM BEIGE Q070-7-1

X ET-38471-04A1-1 X ET-38471-04A1-2 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)