Notwithstanding different or additional terms or conditions contained in Buyer’s purchase orders, invoices, or other communications to PolyOne or any customer, any addition to or alteration of the PolyOne Terms & Conditions shall be effective only if expressly made in a writing signed by an officer of PolyOne. 4.

EXTRUSOR Tornillo 1½" to 6" para polietileno—Maddock; relación de compresión 3:1 Cabezal De presión Dado Del tamaño adecuado para una hilera de 1/8" o menos L/D 24:1 o superior Paquete de mallas Malla de 20/60/60/20 Canal de enfriamiento 50–65°C Alimentador Gravimétrico—3 compartimentos (para el color) Condiciones de secado, solo para catalizador Desecante, 4 horas a 60°C PROCESAMIENTO Temperatura Precalentamiento del alambre 110–120°C Zonas de alimentación 165°C Transición 170°C Dosificación 177°C Cabezal/dado 182°C Material fundido 177–190°C Llama a la punta del salida del dado Sí Velocidad de la línea La velocidad superior de la línea mejora mezclado de los dos compuestos y apariencia superficial del dislamiento de la superficie Compuesto de purga HDPE www.avient.com Copyright © 2020, Avient Corporation.

Drying Conditions English (°F) Metric (°C) Temperature 180°F 80°C Duration 2-4 Hours Moisture Level Allowable 0.05%–0.20% Processing Screw Speed Typical screw speeds are recommended Back Pressure Lower back pressure is recommended 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) www.avient.com Copyright © 2020, Avient Corporation.

CATEGORY DETAIL EC Number 231-545-4 CAS Number 7631-86-9 Chemical Name Silicon Dioxide (SiO2) Structural Formula CHEMICAL IDENTITY Si O O HEALTH EFFECTS HUMAN HEALTH SAFETY ASSESSMENT Consumer No human health hazard has been identified relating to this substance.

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

NEUSoft™ UR842A NEUSoft™ UR852A NEUSoft™ UR862A NEUSoft™ UR873A Hardness 42 52 62 73 Specific Gravity 0.96 0.98 1.01 1.04 Compression Set 17 16 16 23 Tensile Strength @ 50% (psi) 130 185 265 455 Tensile Strength @ 100% (psi) 185 257 364 594 Tensile Strength @ 200% (psi) 305 392 532 830 Tensile Strength @ Break 990 1367 1849 2509 Elongation 501 575 626 542 Tear Resistance 120 164 234 319 Melt Index 190C/8.7kg 2 4 9 13 SELECTION GUIDE NEUSoft™ Thermoplastic Polyurethanes With continued advancement in healthcare technology, the importance of quick prototyping and material sampling has never been greater.

Santiago, 4 de junio de 2021.

The company noted that in the first quarter, organic sales increased 6% and recent specialty acquisitions added 4%, while favorable foreign exchange added 3%. Attachment 4

Sauf convention contraire, les prix s'entendent nets, hors transport et hors taxes, sur la base des tarifs communiqués à l'Acheteur au jour de la passation de la commande. 4.

À la réception d’un avis d’une prétendue réclamation, le vendeur peut suspendre toutes les autres livraisons. 4.