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Purging

Purging
Purging Hot runners: Open or closed methods

Running purging compound through hot runner channels can remove residual materials while leaving a minimal amount of residue behind. This ensures continued proper and efficient operation of a molding machine.

Purging
Purging extrusion machinery

Depending on the process, purging methods can vary. Extrusion, unlike injection molding, is a continuous process. As a result, purging procedures should be performed regularly to avoid issues with product waste, untimely breakdowns and production downtime.

Purging
Purging extrusion blow molding machines

Purging the blow molding machine on the shop floor will ensure efficient performance and a better end product.

Purging
Purging: Chemical, abrasive and non-abrasive

Processors today generally use three different kinds of purging compounds: chemical; abrasive; and non-abrasive.

Purging
Purging: Key to injection molding

Purging a plastic injection molding machine with resin or regrind for color changes or carbon removal often leads to costly waste and lost production time. Along with the right purging compound, there are best practices and procedures a business must follow to ensure the purging process is quick and thorough.

Purging
Purging: Cleaning between runs

Purging compounds play a key role in plastics processing. They are used by processors to remove excess polymer, color and other impurities from a machine and tools between runs.

Purging
Video: Purging
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  • News
    • Processor News
      • Injection Molding
      • Blow Molding
      • Film & Sheet
      • Pipe/Profile/Tubing
      • Rotomolding
      • Thermoforming
      • Recycling
    • Suppliers
      • Machinery
      • Materials
      • Molds/Tooling
      • Product news
      • Design
    • More News
      • K Show
      • Mergers & Acquisitions
      • Sustainability
      • Public Policy
      • Material Insights Videos
      • Numbers that Matter
    • Digital Edition
    • End Markets
      • Automotive
      • Packaging
      • Medical
      • Consumer Products
      • Construction
    • Special Reports
      • Processor of the Year
      • Best Places to Work
      • Women Breaking the Mold
      • Rising Stars
      • Diversity
      • Most Interesting Social Media Accounts in Plastics
    • Newsletters
    • Resin pricing news
    • Videos
  • Opinion
    • The Plastics Blog
    • Kickstart
    • One Good Resin
    • Pellets and Politics
    • All Things Data
    • Viewpoint
    • From Pillar to Post
    • Perspective
    • Mailbag
    • Fake Plastic Trees
  • Shop Floor
    • Blending
    • Compounding
    • Drying
    • Injection Molding
    • Purging
    • Robotics
    • Size Reduction
    • Structural Foam
    • Tooling
    • Training
  • Events
    • K Show Livestream
    • Plastics News Events
      • Plastics News Executive Forum
      • Injection Molding & Design Expo
      • Plastics News Caps & Closures
      • Women Breaking the Mold Networking Forum
      • Plastics in Automotive
    • Industry Events
    • Injection Molding & Design Expo
    • Livestreams/Webinars
      • PN Live: Mergers and Acquisitions
    • Editorial Livestreams
      • Polymer Points Live
      • Numbers that Matter Live
      • Plastics in Politics Live
      • Sustainable Plastics Live
    • Ask the Expert
    • Plastics News Events Library
      • Plastics Caps & Closures Library
      • Plastics in Healthcare Library
      • Women Breaking the Mold Networking Forum Library
    • Processor of the Year submissions
  • Rankings & Data
    • Injection Molders
    • Blow Molders
    • Film Sheet
    • Thermoformers
    • Pipe Profile Tubing
    • Rotomolders
    • Mold/Toolmakers
    • LSR Processors
    • Recyclers
    • Compounders - List
    • Association - List
    • Plastic Lumber - List
    • All
  • Directory
  • Resin Prices
    • Commodity TPs
      • Historic Commodity Thermoplastics
    • High Temp TPs
      • Historic High Temp Thermoplastics
    • ETPs
      • Historic Engineering Thermoplastics
    • Thermosets
      • Historic Thermosets
    • Recycled Plastics
      • Historic Recycled Plastics
  • Custom
    • Sponsored Content
    • LS Mtron Sponsored Content
    • Conair Sponsored Content
    • KraussMaffei Sponsored Content
    • ENGEL Sponsored Content
    • White Papers
    • Classifieds
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      • Sign up for Early Classified