https://www.avient.com/resource-center?document_type=221&all=1
Deep Black for Polyester Textiles OnColor™ NIR Sortable Black Colorants Masterbatch Solutions for Mosquito Nets
https://www.avient.com/sites/default/files/2022-06/Maxxam FR Injection Molding Processing Guide.pdf
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.
https://www.avient.com/sites/default/files/2022-06/Nymax BIO Bio-based Polyamide Solutions Processing Guide.pdf
Increase cooling time Black specks Contamination 1.
https://www.avient.com/sites/default/files/resources/HIGH_PERFORMANCE_CLEAR_THERMOPLASTICS_ELASTOMER.pdf
Styrene domain is stained black.
https://www.avient.com/sites/default/files/2022-05/ColorMatrix Amosorb Solo Technical Bulletin.pdf
The ColorMatrix™ Amosorb™ product line currently offers a wide range of masterbatch grades that can be used to address the needs of different beverages or foods in terms of protection from oxygen ingress.
https://www.avient.com/investor-center/news/polyone-names-dr-david-jarus-vice-president-research-and-development
and is a certified Lean Six Sigma black belt. Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: our ability to identify and evaluate acquisition targets and consummate acquisitions; the ability to successfully integrate acquired businesses into our operations, such as IQAP Masterbatch,
https://www.avient.com/knowledge-base/article/overmolding-processing
The color masterbatch carrier should be compatible with the overmold grade selected. Higher levels of regrind are tolerated in black materials.
https://www.avient.com/knowledge-base/article/overmolding-processing?rtype[]=1164
The color masterbatch carrier should be compatible with the overmold grade selected. Higher levels of regrind are tolerated in black materials.
https://www.avient.com/resources/safety-data-sheets?page=2043
60940 PK PE MASTERBATCH
https://www.avient.com/resources/safety-data-sheets?page=6803
309947 BL PP MASTERBATCH