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

X 44491-0001A-01-3 X 44491-0001B-01-3 PP FR 8-6 LMS-1000

CD4130 ORANGE 3 TPE Q722-3-3 MID GREY 2 W/S PP FR 8-6 LMS-1000

X S1054A F-3 Natural 72-3-5CPFXAB EPIC PANTONE(R) 72-3-5C SIM PP FR 8-6 LMS-1000

GREEN Q340-3-1 PURPLE Q220-3-3 PP FR 8-6 LMS-1000

ORANGE 151C 3 GRAY Q758-3-1 PP FR 8-6 LMS-1000

HYTREL SECUREMENT WHITE 3 Edgetek 364831B-3 2756C Blue PP FR 8-6 LMS-1000

BLUE T925-3-3 CLPP.CMSE ACETAL 7467C TEAL 3 PP FR 8-6 LMS-1000

COPPER 3 BLACK #9-3 PP FR 8-6 LMS-1000

CMG65-T205-2-3-3 PURPLE CLEAR ABS MB CLARIANT WHITE VER. 3 PP FR 8-6 LMS-1000