To provide customers with additional information on making the switch from paint to molded-in-color parts, PolyOne has created an eBook titled, “Trend Report: Efficient Manufacturing And Molded-In Color.” PolyOne Corporation (NYSE: POL), with 2019 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. The company adds value to global customers and improves sustainability through formulating materials, such as:

Holger Kronimus, general manager for Specialty Engineered Materials at PolyOne said, “As the market for optical fiber cable continues to grow, we are committed to providing innovative material solutions that help customers meet their challenges. PolyOne Corporation (NYSE: POL), with 2019 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. The company adds value to global customers and improves sustainability through formulating materials, such as:

PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

As with conventional colorants, OnColor Naturals can be customized and combined with special effects formulated with ingredients such as almond shells, natural fibers and wood particles to increase design possibilities and deliver natural aesthetics. PolyOne Corporation (NYSE: POL), with 2018 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. The company adds value to global customers and improves sustainability through formulating materials, such as:

About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

PARIS – October 13, 2021 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced two additions to its MEVOPUR™ line of medical-grade materials to help producers of pharmaceutical packaging and medical devices more easily reach sustainability goals. MEVOPUR pre-colored formulations based on bio-derived PE are also being introduced today for customers who prefer ready-to-use solutions.  Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.6 to $4.7 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. The company is dedicated to serving customers in diverse industries around the globe by creating value through collaboration, innovation and an unwavering commitment to excellence. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is an ACC Responsible Care® certified company committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Customers in Control – Hands full control over to customers, thus avoiding liability claims, loss of sales, image damage, and market loss Browse and download our literature to learn more about Avient solutions and services.

Outdoor consumer applications where superior aesthetics, chemical resistance, UV stability, and high performance are critical, such as powersports, lawn and garden, and marine body panels and housings, are suitable candidates for customized Artisan formulations. Cut vent depths to 0.0007″–0.0015″ Draft Angle Maintain a minimum draft angle of 1° per side 4 Artisan Pre-Colored Thermoplastics Incomplete Fill Melt and/or mold too cold • Increase nozzle and barrel temperatures • Check thermocouples and heater bands Shot size • Increase shot size • Adjust transfer position to 98% full • Increase cushion 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 Brittleness Degraded/overheated material • Decrease melt temperature • Decrease back pressure • Use smaller barrel Gate location and/or size • Relocate gate to non-stress area • Increase gate size to allow higher flow rate and lower molded-in stress Wet material • Check moisture. Sink Marks Melt too hot • Decrease nozzle and barrel temperatures Insufficient material volume • Increase shot size • Increase packing pressure Part geometry too thick • Reduce wall thickness • Reduce rib thickness Processing Guide 5 Flash Injection pressure too high • Decrease injection pressure • Increase clamp pressure • Increase transfer position Excess material volume • Adjust transfer position • Decrease pack pressure • Decrease shot size Melt or mold too hot • Decrease nozzle and barrel temperatures • Decrease mold temperature Loose clamp • Reset mold height • Increase clamp tonnage Shrink Too much shrink • Increase cooling time Too little shrink • Decrease cooling time Burning • Reduce decompression Mold design • Clean, widen and increase number of vents • Increase gate size to reduce shear Wet material • Verify material is dried at proper condition Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Incorrect nozzle • Use reverse taper tip Weld Lines Melt front temperatures are too low • Increase pack and hold pressure Mold design • Increase gate size • Identify end of fill pattern and verify proper vent location • Add vents or increase vent width • Move gate location 6 Artisan Pre-Colored Thermoplastics Warp • Increase melt temp • Reduce injection speed • Increase pack pressure • Increase pack time • Decrease mold temperature • Increase cool time Mold design • Non-uniform mold cooling Part design • Non-uniform wall thickness Thermolator incorrect temperature • Check settings • Inspect thermocouple Sticking in Mold Overfilled cavity • Decrease injection rate and pressure • Decrease hold pressure • Decrease cooling time Part too hot • Decrease barrel temperature • Decrease mold temperature • Increase cooling time Mold design • Increase draft angle • Polish cores in direction of ejection Black Specks Contamination • Purge machine Degradation • Reduce melt temperature • Reduce screw speed • Reduce back pressure Machine related • Check for wear on screw, barrel or check ring Delamination • Increase melt temperature • Decrease injection speed • Purge barrel to eliminate material contamination Mold design • Reduce sharp corners in material flow path • Increase venting Processing Guide 7 Discoloration Oversheared material • Decrease melt temperature • Decrease injection speed • Reduce residence time Mold design • Increase gate sizing Dry material • Check moisture of material to ensure it is within the recommended moisture percentage for molding 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.