Universal Polyamide Overmold Thermoplastic Elastomer - White Paper White Paper OnFlex™ S HF TPEs provide non-halogen solution for electrical junction box

IMPACT PROTECTION D E S I G N A N D M A T E R I A L S O L U T I O N S Avient Corporation 1 PROJECT KICK OFF B R I E F Application: Protective sports equipment Challenge: Provide functional material to protect against impact for chest protector Requirements: • Compact - reduce thickness and weight for improved comfort and functionality • Meet EN standards • EN1621-1 level 2 & EN1621-2 level 1 • Eliminate the use of foam and glue • Be waterproof and easy to clean • Sustainable • Easy to prototype & considers manufacturing efficiency Avient Corporation 2 VIBRATION DAMPING TECHNOLOGY (VDT) H O W D O E S I T W O R K ? Avient Corporation 3 Simplified Drop Test • 65g steel ball • Dropped from 305mm • Onto 3.175mm thickness flat samples Materials Tested • Standard TPE 30 Shore A • TPU alloy 60 Shore A • Damping TPE 32 Shore A VDT reduces bounce Avient Corporation 4 SIMULATION & CALIBRATION E N 1 6 2 1 - 1 L E V E L 2 Image courtesy of Airobag TV https://www.youtube.com/c/AirobagTV/videos Simulation of Impact A weight dropped onto protective element in contact with rigid substrate https://www.youtube.com/c/AirobagTV/videos Avient Corporation 5 SIMULATION & CALIBRATION E N 1 6 2 1 - 1 L E V E L 2 REFINING THE DESIGN D E S I G N A N D M A T E R I A L C O M B I N A T I O N Avient Corporation 6 • A number of different shapes and designs are created and simulated to determine which one works best • Refining to meet EN standard • VDT TPEs can help reach compliance with EN1621-1 level 2 and EN1621-2 level 1 • Optimum protection can be achieved by combining industrial design and engineering Avient Corporation 7 VALIDATION P R O T O T Y P I N G W I T H 3 D P R I N T I N G 3D Printing Validation -15% -10% -5% 0% 5% 10% Density Tensile Strength // Tear resistance // Rebound resilience 2mm 3D Printed VDT vs Injection Molded VDT can be 3D printed for concept evaluation early in the design process SUMMARY Avient Corporation 8 • Enabled a new, compact design with a customized VDT TPE formulation • Improved user comfort and functionality • Fulfilled EN standards • Reduced number of prototyping tools required • Reduced time spent in product development by 40 percent, enabling faster commercialization of product

Location(s) North Haven, CT As a valued customer (“Customer”) of NEU Specialty Materials, LLC (“NEU”), NEU is communicating this Quality Commitment to communicate the quality parameters, expectations and risk surrounding quality matters for the products NEU supplies. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 5.5 Regulatory Documents: A document referencing the then-current regulatory status of the applicable product(s) at the time of shipment. Upon notification from the NEU supplier, NEU will notify the Customer of the effect on the manufacture of the compound(s) (such as raw material availability, vendor name changes, vendor manufacturing location, and vendor nomenclature). 9.0 CUSTOMER FEEDBACK 9.1 NEU will use commercially reasonable efforts to (i) acknowledge receipt of Customer complaints within one business day; (ii) conduct an investigation and communicate a resolution to Customer within 30 days after receipt of the complaint.

White Paper White Paper White Paper

WHITE SUGAR 2 XRU-2549 HF ETFE STD STR WHITE ZHEA EBONY S 9364

DX9 BLACK / EP 548 S WHITE PET 2 STAN-TONE HCC-33018 WHITE

CM PENDING - NOVABLEND 6650 WHITE 1169 Onflex-S FD 90A-3E5073 translucent 16143-01 EXPM7300 WHITE

ALTRIA WHITE STY DYNA BASLER WHITE ABS DARK TAN-S

WHITE GREENER PEARL TPE WHITE 287-116 LTU/WPP351 WITH S&M

PTHF3000 EF UNIMATCH RED (B/S) SILCOGUM WHITE 106131 SILCOGUM WHITE 106125