Plastics Technology’s Most-Viewed Columns of 2018

Here are the expert columns that visitors to PT’s site viewed the most in 2018, covering mold and melt temperatures; shot sizes; barrel capacity; material properties and more.


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Visitors to Plastics Technology’s website often come in search of the answer to a particular plastics-processing problem. Those problems often have familiar themes that constitute the crux of plastics processing found at the intersection of how temperature, pressure and time interact with material properties.

If their expert advice helped guide your operations in 2018, let it do so in the future. Find more how-to expert advice on injection molding, extrusion, materials and tooling

Top 10 Most-Viewed Columns of 2018

  1. The Importance of Melt & Mold Temperature
  2. How to Set Barrel Zone Temps
  3. Injection Molding: How to Get Rid of Bubbles
  4. The Effects of Temperature
  5. Calculate Shot Size Vs. Barrel Capacity
  6. Injection Molding: How to Set Second-Stage (Pack & Hold) Pressure
  7. PBT and PET Polyester: The Difference Crystallinity Makes
  8. How to Select the Right Tool Steel for Mold Cavities
  9. Density & Molecular Weight in Polyethylene
  10. A Simpler Way to Calculate Shot Size vs. Barrel Capacity



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