ESTABLISHING A PROCESS – THE SCIENTIFIC MOLDING METHOD The scientific method of molding is a way of creating the largest processing window for the mold and material. Injection Mold Design Engineering. Injection Molding Handbook. 2nd ed.

Use of Biopolymers in Packaging Types Introduction to Biopolymers Less Frequently Used More Frequently Used Single Use Bottles Single Use Cups, Tubs & Trays Clothing Packaging Bags Pre-packed Fruit Bags Vegetable Bags Coffee Capsules Carrier Bags Fruit Labels Fast Food Trays (closed system) Teabags Biowaste Bags To ensure compliance with requirements and regulations, suitable certification is of crucial importance. Avient is a TÜV Austria certified masterbatch supplier and can help support and secure the full certification process of a final part. In compliance with certification requirements, Avient biocolorants can offer a large spectrum of color possibilities supporting differentiation and appeal at consumer level.

AUTOMOTIVE OEM C E N T R A L C O N S O L E P A R T • Metallic aspect • Good surface appearance • UV resistance • Cost effective alternative to paint • Offered a paint replacement solution with a molded-in-color metallic effect • Provided color matching expertise • Utilized simulation tools to predict part aspect and suggest the best injection point for process and mold optimization • Optimized formulation for metallic effects Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

LEADING ANTENNA MANUFACTURER A N T E N N A C O M P O N E N T S • Extremely tight performance tolerance • Dielectric performance of 3 – 7Dk • Ability to utilize existing injection molding machinery • High mold flow index (MFI) • On demand material delivery • Provided technical support throughout the development of multiple, highly technical materials • Formulated high quality materials that aligned with stringent specification, at a cost effective price • Provided order flexibility, allowing customer to order on demand • Collaborated across the supply chain, enabling customer to take a premium solution to market that can reduce maintenance and construction costs for end users Custom PREPERM™ Low Loss Dielectric Formulations KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - Complet LFT Bettcher Motor Yoke.pptx BETTCHER INDUSTRIES Q U A N T U M ™ M O T O R Y O K E • Reliably support 25-pound motor without deflection • Reduce manufacturing system costs through metal-to- composite conversion • Chemical resistance to withstand corrosive substances during frequent sanitation and during use • Optimized yoke design for new material and performed CAE analysis to confirm reliability • Reduced part weight by nearly 40% • Single-step injection molding fabrication cut lead times and lowered per part costs • Molded-in color eliminated secondary painting and finishing operations Complēt™ Long Glass Fiber Nylon Composite KEY REQUIREMENTS WHY AVIENT?

COSMETIC PACKAGING MANUFACTURER P E R F U M E C A P • A weighted material with a metallic finish • A material that could be injection molded into a premium perfume cap • Formulated a weighted material with 2.0 specific gravity that is FDA approved • Enabled customer to enter the premium packaging market, typically reserved for metal working converters • Provided a material that could be injection molded • Provided metallic finish aesthetic with cool touch haptics Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WEIGHT + PROCESSABILITY LEARN MORE Copyright © 2021, Avient Corporation.

AUTOMOTIVE OEM C E N T R A L C O N S O L E P A R T • Metallic aspect • Good surface appearance • UV resistance • Cost effective alternative to paint • Offered a paint replacement solution with a molded-in-color metallic effect • Provided color matching expertise • Utilized simulation tools to predict part aspect and suggest the best injection point for process and mold optimization • Optimized formulation for metallic effects Smartbatch Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

MOLD DESIGN RECOMMENDATIONS Gates • Many different types of gates can be used such as pin, fan, tunnel, tab and edge gates. Hot runner molds are acceptable and should be sized by the manufacturer. PROBLEM CAUSE SOLUTION Incomplete Fill Melt and/or mold temperature too cold Shot Size • Increase nozzle and barrel temperatures • Increase mold temperature • Increase injection speed • Increase pack and hold pressure • Increase nozzle tip diameter • Check thermocouples and heater bands • 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 • Increase cushion Brittleness Melt temperature too low Degraded/Overheated material Gate location and/or size • Increase melt temperature • Increase injection speed • Measure melt temperature with pyrometer • Decrease melt temperature • Decrease back pressure • Use smaller barrel/excessive residence time • Relocate gate to nonstress area • Increase gate size to allow higher flow speed and lower molded-in stress Fibers on Surface (Splay) Melt temperature too low Insufficient packing • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase pack and hold pressure, and time Sink Marks Part geometry too thick Melt temperature too hot Insufficient material volume • Reduce wall thickness • Reduce rib thickness • Decrease nozzle and barrel temperatures • Increase shot size • Increase injection rate • Increase packing pressure Flash Injection pressure too high Excess material volume Melt and/or mold temperature too hot • Decrease injection pressure • Increase clamp pressure • Decrease injection speed • Increase transfer position • Decrease pack pressure • Decrease shot size • Decrease injection speed • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease screw speed TROUBLESHOOTING RECOMMENDATIONS PROBLEM CAUSE SOLUTION Excessive Shrink Too much orientation • Increase packing time and pressure • Increase hold pressure • Decrease melt temperature • Decrease mold temperature • Decrease injection speed • Decrease screw rpm • Increase venting • Increase cooling time Not Enough Shrink Too little orientation • Decrease packing pressure and time • Decrease hold pressure • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase screw rpm • Decrease cooling time Burning Melt and/or mold temperature too hot Mold design Moisture • Decrease nozzle and barrel temperatures • Decrease mold temperature • Clean, widen and increase number of vents • Increase gate size or number of gates • Verify material is dried at proper conditions Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Weld Lines Melt front temperatures too low • Increase pack and hold pressure • Increase melt temperature • Increase vent width and locations • Increase injection speed • Decrease injection speed • 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 Warp Excessive orientation • Increase cooling time • Increase melt temperature • Decrease injection pressure and injection speed • Increase number of gates Sticking in Mold Cavities are overpacked Part is too hot • Decrease injection speed and pressure • Decrease pack and hold pressure • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time • Increase draft angle • Decrease nozzle and barrel temperatures • Decrease mold temperature TROUBLESHOOTING RECOMMENDATIONS Note: These are general processing conditions.

MOLD DESIGN RECOMMENDATIONS Gates • Many different types of gates can be used such as pin, fan, tunnel, tab and edge gates. Hot runner molds are acceptable and should be sized by the manufacturer. PROBLEM CAUSE SOLUTION Excessive Shrink Too much orientation • Increase packing time and pressure • Increase hold pressure • Decrease melt temperature • Decrease mold temperature • Decrease injection speed • Decrease screw rpm • Increase venting • Increase cooling time Not Enough Shrink Too little orientation • Decrease packing pressure and time • Decrease hold pressure • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase screw rpm • Decrease cooling time Burning Melt and/or mold temperature too hot Mold design Moisture • Decrease nozzle and barrel temperatures • Decrease mold temperature • Clean, widen and increase number of vents • Increase gate size or number of gates • Verify material is dried at proper conditions Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Weld Lines Melt front temperatures too low • Increase pack and hold pressure • Increase melt temperature • Increase vent width and locations • Increase injection speed • Decrease injection speed • 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 Warp Excessive orientation • Increase cooling time • Increase melt temperature • Decrease injection pressure and injection speed • Increase number of gates Sticking in Mold Cavities are overpacked Part is too hot • Decrease injection speed and pressure • Decrease pack and hold pressure • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time • Increase draft angle • Decrease nozzle and barrel temperatures • Decrease mold temperature TROUBLESHOOTING RECOMMENDATIONS PROBLEM CAUSE SOLUTION Incomplete Fill Melt and/or mold temperature too cold Shot Size • Increase nozzle and barrel temperatures • Increase mold temperature • Increase injection speed • Increase pack and hold pressure • Increase nozzle tip diameter • Check thermocouples and heater bands • 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 • Increase cushion Brittleness Melt temperature too low Degraded/Overheated material Gate location and/or size • Increase melt temperature • Increase injection speed • Measure melt temperature with pyrometer • Decrease melt temperature • Decrease back pressure • Use smaller barrel/excessive residence time • Relocate gate to nonstress area • Increase gate size to allow higher flow speed and lower molded-in stress Fibers on Surface (Splay) Melt temperature too low Insufficient packing • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase pack and hold pressure, and time Sink Marks Part geometry too thick Melt temperature too hot Insufficient material volume • Reduce wall thickness • Reduce rib thickness • Decrease nozzle and barrel temperatures • Increase shot size • Increase injection rate • Increase packing pressure Flash Injection pressure too high Excess material volume Melt and/or mold temperature too hot • Decrease injection pressure • Increase clamp pressure • Decrease injection speed • Increase transfer position • Decrease pack pressure • Decrease shot size • Decrease injection speed • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease screw speed TROUBLESHOOTING RECOMMENDATIONS www.avient.com Copyright © 2020, Avient Corporation.

We then provide vital insight into the material selection, design, molding, and manufacturability to solve the biggest challenges. Product Validation Molding With Customer Tooling • Avient also has the ability to bring customer tooling onsite to conduct trials. Application Demonstrator Molds Functional Performance Demonstrator Molds Structural Performance Demonstrator Molds COMPUTER-AIDED ENGINEERING (CAE) We utilize a combination of CAE tools to virtually simulate real-world application performance.