This can be achieved by tumble mixing or by the use of concentrate metering devices. Calculate using Let Down Percentage: Cost/lb of Concentrate x (Let Down Percentage/100) = Coloring Cost Calculate using Let Down Ratio: Cost/lb of Concentrate – Cost/lb of Resin Let Down Ratio +1 = Coloring Cost TWO WAYS TO CALCULATE COLORING COSTS OMNICOLOR™ TROUBLESHOOTING TWO WAYS TO CALCULATE COLORING COSTS SYMPTOM CAUSE REMEDY Color Variation Shot-to-Shot Poor Omnicolor preblending Pigment has insufficient thermal stability More thorough blending Ensure correct machine temperature control Screw Slip Premature melting of Omnicolor Excessive addition rate Reduce heat in feed zone Check addition rate and reduce if necessary Overall Good Distributive Mixing With Streaks or Dots of Another Color Poor pigment dispersion in concentrate Return concentrate for replacement Black Streaks or Splotches Degraded polymer in barrel Clean screw and barrel Poor Distributive Mixing (Streaking) Insufficient plastification See processing instructions Loss of Color Pigment has insufficient thermal stability Change to more heat stable colorant Ensure correct machine temperature control OMNICOLOR™ PROCESSING TEMPERATURES RECOMMENDED MAXIMUM PROCESSING TEMPERATURES FOR OMNICOLOR IN SELECTED POLYMERS IN °C UK COLOR NO.

ISO 9001:2015 The Quality Management System is applicable to: Certificate No: 31307 Certification Date: 12 October 1995 Effective Date: 20 September 2023 Expiration Date: 07 October 2025 Revision Date: 20 September 2023 Dominic Townsend, President MANUFACTURE AND SUPPLY OF PLASTIC COMPOUNDS, COLOR AND PERFORMANCE ADDITIVES, ENGINEERED THERMOPLASTICS, VINYL RESINS, CUSTOM MIXED PLASTIC MATERIALS, CUSTOM AND COMMODITY COLORANTS FOR PLASTICS, POLYURETHANE SYSTEMS, AND PLASTICIZERS WITH DESIGN AND SAMPLING SUPPORT AT SUWANEE, GA, AND PURCHASING, CUSTOMER SERVICE, LOGISTICS, QUALITY, DESIGN AND SAMPLING SUPPORT AT AVIENT CORPORATE HEADQUARTERS AT AVON LAKE, OH, AND DISTRIBUTION OF RESINS This certificate may be found on the ABS QE Website (www.abs-qe.com).

Certificate Avient Corporation A B S Q u al ity E va lu at io n s C er tif ic at io n E Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation 33587 Walker Road, Building 428 Avon Lake OH 44012 United States has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: Manufacture of plastic compounds, color and performance additives, engineered thermoplastics, vinyl resins, custom mixed plastic materials, custom and commodity colorants for plastics, polyurethane systems, and plasticizers with design and sampling support at Suwanee, GA, and purchasing, customer service, logistics, quality, design and sampling support at PolyOne Corporate Headquarters at Avon Lake, OH, and distribution of resins Certificate No: 31307 Certification Date: 12 OCT 1995 Effective Date: 11 JUL 2024 Expiration Date 07 OCT 2025 Revision Date: 17 JUL 2024 Dominic Townsend, President Copyright as of the Effective Date, ABS Quality Evaluations, Inc.

LIQUID FIBER PRODUCT FEATURES Multiple color production • Depending on the manufacturing set-up, several injection points can be added to enable multiple color production at the same time on a single extruder Batch size flexibility • Fiber producers can manufacture anything from a few kilograms to hundreds of tons using the same simple process Rapid color changes • No extruder contamination and easy color-on, color-off operation increases color change speed Waste reduction • Rapid color changes, precise metering and the ability to adjust color in-line reduces waste during color changeovers Continuous metering & long spin pack life • High pigment and dye concentrations mean fewer pack changes are required • Where color is running low for larger volume runs, low level metering sensors alert operators and packs can be changed without disrupting production In-line IV adjustment • Specialist additives are available to adjust Intrinsic Viscosity (IV) in-line for rPET applications • These additives are available as single products, or can be combined with color to create a multi-functional formulation Color design service • ColorMatrix offers a dedicated color design service to help shorten product development cycles and enhance market agility Liquid color processing • Formulations are stable at temperatures up to 60°C and retain good flow properties at temperatures as low as 10°C • These formulations can help lower yarn friction and abrasion, and there is no fuming or evaporation during production COLORMATRIX FLEXCART LIQUID DOSING SYSTEMS Designed to optimize the benefits of liquid colorant and additive technologies, each ColorMatrix™ FlexCart™ model is highly flexible, and offers high-level dosing accuracy and controllability for all injection molding and extrusion applications. TECHNICAL ANALYSES • DSC: Thermal analyses to characterize polymers, additives and colorants • TGA: Thermogravimetric analysis to evaluate thermal stability, plus inorganic pigment, and carbon black content in the Masterbatch • FT-IR: Infrared spectroscopy for the analysis of raw materials • Incineration oven to determine inorganic content • Melt Flow Tester to measure the Melt Flow Rate of MBs and Polymers • Filter test to measure the dispersion quality and aggregate content of materials contained in the polymer matrix • Intrinsic/Relative Viscosity of Masterbatches and polymers • Moisture content in the liquid colorants, MBs and polymers • UV-Visible spectrometry: instrumental evaluation of the color on yarn to perform quality control, color matchings and recipes adjustments • Yarn testing to evaluate mechanical properties, abrasion, dry heat, rubbing and other characteristics • Our pilot spinning lines have state-of-the-art take-up winders that spin up to 4,500 meters/minute.

The dielectric measurement data up to 220 GHz indicates that the dielectric properties of PREPERM thermoplastics are stable and not dependent on the frequency. PREPERM solutions enable faster, safer and more reliable connections—in antennas, lenses, screws or other RF parts. • Stable and controlled dielectric constant - from 2.6 to 23 • Very low losses even at mmWaves • Isotropic material - no glass fibers • Can be injection molded and machined APPLICATION BULLETIN STABLE RF PROPERTIES OVER A WIDE FREQUENCY RANGE 0,0 2,0 4,0 6,0 8,0 10,0 12,0 0 10 20 30 40 50 60 D ie le ct ri c co ns ta nt F requency [GHz ] PR E PE RM® PPE 95 0 PR E PE RM® PPE 80 0 PR E PE RM® PPE 44 0 PR E PE RM® PPE 32 0 PR E PE RM® PPE 26 0 LOW LOSSES UP TO mmWAVE FREQUENCIES* BATCH-TO-BATCH STABILITY DURING PRODUCTION * Measurements performed at VTT Technical Research Centre of Finland Ltd in 2018.

KEY CHARACTERISTICS • Electrical resistivity range from 10–1010 Ω • Hardness range from 40–85 Shore A • Protects critical electrical components from EMI/RFI • Reduces static build-up • Simplifies manufacturing • Overmolds directly onto polymer substrates • Meets regulatory compliance requirements of ATEX and ESD • Food contact compliance grades are available MARKETS & APPLICATIONS Electrical applications that require a flexible material, and protection from EMI/RFI and static build-up.

Swellcoat™ Water Blocking & Absorbing Yarns PRODUCT BULLETIN Swellcoat™ impregnated fibers introduce Super Absorbent Polymer (SAP) into fiber optic cable binders, fillers, and buffer threads to create a stable gel that can absorb up to 100x its weight. Swellcoat Blocker yarns provide water-blocked strength reinforcements for cable designs and can absorb up to 15x its weight.

Panels can be designed to be up to 75% lighter than steel, and 25% lighter than aluminum skin over frame systems. KEY CHARACTERISTICS Avient CRTM panels offer significant benefits to customers, including: • Superior strength to weight ratio • �Unlimited length capability; widths up to 108" • �Thermal insulation • Ultra-low thermal conductivity • �Customized density, thickness, weight and color • �Vibration damping and acoustic insulation • Chemical and corrosion resistance • Consistent cross-sections and quality PRODUCT BULLETIN Other thicknesses/architectures are available.

LOW HAZE The new 4020G grade of ColorMatrix Amosorb offers similar oxygen scavenging performance as previous solutions with the added benefit of up to 50% lower haze, resulting in improved clarity and clearer looking bottles. PRODUCT BULLETIN KEY BENEFITS • Non-nylon based • Up to 50% lower haze • Lower impact on PET recycle stream • 40% increased shelf-life at maximum allowable use limit • No induction period, provides immediate protection • Can be used with any PET & most rPET grades • Simple to use with existing mono- layer equipment • Suitable for use on multi-layer machines MARKET & APPLICATIONS • PET and rPET rigid packaging for food and beverage REGULATORY ColorMatrix Amosorb 4020G meets direct food contact regulatory requirements in major markets.

Consider these solutions: • Anti-stat to prevent dust build up • UV blockers or stabilizers to protect package contents • Anti-microbials for limiting microbe development • Scratch and mar technology to preserve surface finishes • Impact modifiers that increase flexibility and durability Reduce Risk with Regulatory Support We know that regulatory compliance requirements are constantly changing. We’ll provide step-by-step guidance, and visualization through in-house sampling with various processing techniques: • Injection stretch blow molding (ISBM) • Extrusion blow molding (EBM) – up to four layers • Injection molding Our polymer science proficiency, colorants and additives capability, and in-house color design service make us a powerful collaborator during the complete blow molding process. www.avient.com Copyright © 2022, Avient Corporation.