GUIDELINES FOR USING CESA CLEAN ADDITIVES • Cesa Clean works best when molded maintaining normal (injection) pressure/shear • For best results, Avient recommends a “Running Color Change” which eliminates breaks in the molding cycle • Since the Cesa Clean concentrate will expand, it is recommended to reduce the shot size by 20% • It is designed for use at a let-down ratio (LDR) of 3.0% or (33:1); however, use rate can vary depending on the severity of the contamination but typically is 2.0–4.0% (a use rate higher than 6.0% may not have any positive affect on the cleaning performance) • Using Cesa Clean as a routine part of your color change rotation will allow faster changes and consume a minimal amount of raw material - Note: If the manifold is not cleaned routinely, this process may be more time consuming and additional material will be required • It is best to process at your normal polymer processing temperatures - For best performance, stock temperature should be at least 400°F - If 400°F is achieved during the purging process, no additional activation will occur during the reprocessing of regrind - All parts produced during the “Running Purge Cycle” should be captured as regrind, resulting in a scrap-free color change - If using sequential gates, open and close all gates at the same time while purging the tool - If contamination appears to be coming from one gate, open and close first, and for an extended period of time, to force more material through this location - When cleaning in this manner, pay close attention to shot size - Parts containing the previous or new color plus any Cesa Clean can be used as regrind INTRODUCING CESA CLEAN TO YOUR PROCESS Hand Blend • Hand weigh enough of the Cesa Clean and natural resin mix to equate to 3–5 times the barrel capacity • Use rate should be 3.0% or 33:1 for routine cleaning • For difficult-to-clean tooling, or tooling which is not routinely cleaned, start at 4.0% or 25:1 • Note: Do not attempt to vacuum load more than 15 feet from source as stratification/separation may occur Volumetric Feeder • Calibrate feeder to dispense 3.0% or 33:1 for routine cleaning • For difficult-to-clean tooling, or tooling which is not routinely cleaned, start at 4.0% or 25:1 • This style of feeder is highly recommended for at-the-throat metering of Cesa Clean Blending Units Most blenders have an extra bin for an additive • Fill the additive bin with Cesa Clean • Set blender to introduce the Cesa Clean at 2.0 to 4.0% • Note: Do not air convey any further than 15 feet as Cesa Clean has a high density and may separate from the mix. GETTING STARTED TIMING IS THE KEY TO A RUNNING COLOR CHANGE Hand Blend • Have the purge blend ready to load • If hopper contains a mixture of resin, color and/ or regrind, it should be run dry or drained before beginning the color change, keeping the screw full so press cycle continues • Run the main resin hopper dry or shut off hopper to hand feed at the throat • Once press is clean, slide hopper in place and proceed with next color-resin blend • The next color can be added while Cesa Clean is still in the barrel • When splay is no longer visible in parts, reset shot size, parts should be ready to pack (Single) Volumetric/Gravimetric Metering Unit at the Throat • Empty and clean feeder while press continues to run • Add Cesa Clean to the feeder color hopper and calibrate to a 3.0% use rate • When press is clean, start next color • When splay is no longer visible in parts, reset shot • Note: If an open/unused secondary feeder is installed, use it for the Cesa Clean concentrate Central Blending Unit • Thoroughly clean unit while continuing to mold parts, keeping a resin feed to the press • Using a clean open hopper or regrind hopper, add the Cesa Clean concentrate • Set blender for additive/color to 3.0% • Once press is clean, drain hopper and/or central blending unit while continuing to mold parts • Begin new color and continue to mold parts • When splay is no longer visible in parts, reset shot Process Adjustments That Can Help • Increase back pressure • Increase screw speed • Increase injection speed (in some tools maximum injection speed can facilitate cleaning) • Reduce mold close time (faster cycle) • Always remember a stock temperature of 400°F is essential When press and tool are clean, return all settings to standard production process profile.

As shown in figure 2, in high shear rate regimes, the viscosity is at the lower end of the spectrum which helps the TPE to flow into and fill the thin-walled sections commonly encountered during overmolding. Figure 8 and Figure 9 show that the retention in properties is excellent. OM6240 tensile properties: initial and final after 1 week at 70°C 1.8 2.6 1.8 2.6 Figure 8: Physical property retention of Versaflex OM 6240 after 1week at 70°C.

A NR II - 680/91; AKT NOTARIALNY Z 12.02.2002 R, NOTARIUSZ MAŁGORZATA Strona 1 z 8 Z. A NR 1434/2014, ZMIENIONO § 3 UST. 1, § 11 UST. 6, § 13 UST. 1 UMOWY SPÓŁKI, PONADTO W § 4 DODANO USTĘPY OD 36 DO 55 7 16.01.2015 R., KANCELARIA NOTARIALNA W WARSZAWIE, NOTARIUSZ TOMASZ CYGAN, REPERTORIUM A NR 1617/2015-PRZYJĘCIE NOWEGO TEKSTU UMOWY SPÓŁKI. 8 AKT NOTARIALNY Z DNIA 25.06.2015 R., REP. Dane podmiotów powstałych w wyniku połączenia, podziału lub przekształcenia albo dane podmiotów przejmujących całość lub część majątku spółki Podrubryka 2 Dane podmiotów, których majątek w całości lub części jest przejmowany w wyniku połączenia lub podziału 1 1.Nazwa lub firma SUD-CHEMIE POLSKA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ,------ 2.Kraj i nazwa rejestru lub ewidencji, w którym podmiot był zarejestrowany KRAJOWY REJESTR SĄDOWY Strona 7 z 8 3.Numer w rejestrze 0000063894 4.Nazwa sądu prowadzącego rejestr ******* 5.Numer REGON 191644344 Rubryka 5 ­ Informacja o postępowaniu upadłościowym Rubryka 6 ­ Informacja o postępowaniu układowym Rubryka 7 ­ Informacje o postępowaniach restrukturyzacyjnych, o postępowaniu naprawczym lub o przymusowej restrukturyzacji Rubryka 8 ­ Informacja o zawieszeniu działalności gospodarczej data sporządzenia wydruku 12.04.2021 adres strony internetowej, na której są dostępne informacje z rejestru: ekrs.ms.gov.pl Strona 8 z 8

HANDLING AND USAGE RATES Triple A is a dispersion which can be supplied individually or in combination with other ColorMatrix colorant and additive technologies. ColorMatrix will recommend the best use rate depending on the expected level of AA following processing, storage conditions and the final desired AA level in the packaged product. This additive technology can be implemented during PET processing without impact on production efficiency. 0 10 20 30 40 50 60 70 80 0.050 0.1 0.15 0.2 % A A Re du ct io n % Use Rate Anthranilamide 0 10 20 30 40 50 60 70 80 90 .04 .06 .08.020 0.1 0.16 0.180.140.12 0.2 % A A Re du ct io n % Triple A-1+ 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

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Though the viscosity of TPEs are reduced when processed at high shear rates, TPEs must be “packed” into a mold to ensure complete fill-out. The results were impressive: • Better tension set, improved compression and enhanced permeability • Slashed $70,000 from production costs by reducing cycle times and eliminating assembly steps • Lower specific gravity of TPEs trimmed overall part weight, which cut $36,000 in annual freight costs • Reprocessability of TPEs shrank scrap rates, saving more than $70,000 in material waste SWITCH TO TPEs BOOSTS BOTTOM LINE CASE STUDY READ MORE ONLINE For a manufacturer seeking to redesign a liquid injection-molded silicone medical pump valve insert, Avient suggested custom-formulated grades of Dynalloy™ OBC and Versaflex™ TPEs that would deliver better multi-functional performance than the previous design, while also facilitating easier two-shot molding. Learn more https://www.avient.com/tpeknowledgecenter https://www.avient.com Next Page 2: Previous Page 2: Next Page 3: Previous Page 3: Next Page 4: Previous Page 4: Next Page 8: Previous Page 8: Next Page 5: Previous Page 5: Next Page 9: Previous Page 9: Next Page 6: Previous Page 6: Previous Page 10: Next Page 10: Next Page 7: Previous Page 7: Next Page 11: Previous Page 11: Next Page 12: Previous Page 12: Next Page 13: Previous Page 13: Next Page 32: Previous Page 33: Next Page 34: Previous Page 37: Next Page 14: Previous Page 14: Next Page 15: Previous Page 16: Next Page 16: Previous Page 17: Next Page 17: Previous Page 18: Next Page 33: Previous Page 34: Next Page 18: Previous Page 19: Next Page 19: Previous Page 20: Next Page 20: Previous Page 21: Next Page 21: Previous Page 22: Next Page 22: Previous Page 23: Next Page 23: Previous Page 24: Next Page 24: Previous Page 25: Next Page 25: Previous Page 26: Next Page 26: Previous Page 27: Next Page 27: Previous Page 28: Next Page 28: Previous Page 29: Next Page 29: Previous Page 30: Next Page 30: Previous Page 31: Next Page 31: Previous Page 32: Previous Page 15: Previous Page 35: Previous Page 36:

Standard grades in the portfolio conform to UL 94 V-2, V-0 and 5VA performance ratings, and many offer elevated Relative Thermal Index (RTI) ratings. Available in both halogen and non-halogen products, including grades with UL Yellow Card rating, Maxxam FR products can be customized for specific performance needs. Vents should be placed at the intersection of each 90° bend in the runner system off of the cold slug well and vented to atmosphere Black Specks Contamination • Purge barrel with general purpose PP • Verify correct nozzle is being used • Pull screw for cleaning Degraded/overheated material • Decrease melt temperature • Decrease injection speed • Use appropriately sized barrel Brittleness Degraded/overheated material • Decrease melt temperature • Decrease injection speed • Use appropriately sized barrel Gate location and/or size • Relocate gate to nonstress area • Increase gate size to allow higher flow rate and lower molded-in stress Burning Process related Mold design • Clean, widen and increase number of vents • Increase gate size to reduce shear Fibers/Minerals on Surface or Uneven Surface Appearance Melt temperature too low • Increase injection speed Insufficient packing • Increase hold pressure and time Flash Injection pressure too high • Decrease injection pressure • Increase clamp pressure • Increase transfer position Excess material volume • Decrease pack pressure • Decrease shot size Melt and/or mold too hot • Decrease screw speed Loose clamp • Reset mold height • Increase clamp tonnage Troubleshooting Recommendations Incomplete Fill Melt and/or mold too cold • Increase nozzle and barrel temperatures Mold design • Enlarge or widen vents and increase number of vents • Check that vents are unplugged • Check that gates are unplugged • Enlarge gates and/or runners • Perform short shots to determine fill pattern and verify proper vent location • Increase wall thickness to move gas trap to parting line Shot size • Adjust transfer position to 98% full Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Increase screw decompression Shrink Too much shrink • Increase cooling time Too little shrink • Decrease cooling time Sink Marks Part geometry too thick • Reduce wall thickness • Reduce rib thickness Melt too hot • Decrease nozzle and barrel temperatures Insufficient material volume • Increase packing pressure Troubleshooting Recommendations (continued) Sticking in Mold Overfilled cavity • Decrease injection rate and pressure • Decrease hold pressure • Decrease cooling time Mold design • Increase draft angle • Polish cores in direction of ejection Part is too hot • Increase cooling time Warp Process related • Increase cooling time • Increase pack pressure • Increase pack time Mold design • Inspect for non-uniform mold cooling Part design • Inspect for non-uniform wall thickness Temperature control unit incorrect temperature • Check settings • Inspect thermocouple Weld Lines Melt front temperatures are too low • Increase pack and hold pressure Mold design • Increase gate size • Perform short shots to determine fill pattern and verify proper vent location • Add vents and/or false ejector pin • Move gate location 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

Featuring a controlled laser transmission rate and weld width that delivers strength and a smooth surface finish increases part design freedom, and allows for various colors of formulations.

Featuring a controlled laser transmission rate and weld width that delivers strength and a smooth surface finish increases part design freedom, and allows for various colors of formulations.

Flame retardant formulations conforming to UL 94 V-2, V-0, and 5VA performance ratings