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Coloring Plastics At The Press
Processing with Color Concentrates in Injection Molding
Outline 1 Day Course
- Introduction & Overview
- Industry Status
- Components of a successful plastics application
- Processing Guidelines
- Four Plastic Variables
- Plastic Flow
- Velocity Control
- Pressure Loss
- Obtaining a Uniform melt
- Preparing the plastic for processing
- Keeping it clean (fines, dirt etc.)
- Drying
- Temperature settings
- Hopper and feed throat issues
- The melting process and screw designs
- Melt uniformity screws
- Mixing nozzles; Band-Aids
- Mixing nozzle tips( Do NOT use)
- Dispersive mixing
- Distributive mixing
- Testing for melt uniformity
- Questions and Answer Session