The Universal Selection Source: Polymer Additives

Online Course

Rigid PVC: Formulation & Processing Optimization

This is a Past Course

Recorded on May 18, 2016

Maximize performance/cost ratio of your PVC by overcoming challenges faced when changing additives (stabilizers, lubricants…) or processing scale owing to end use or regulation requirements (larger pipes, high temp., UL 94 for electrical conduits).

Our expert Paul Mastro, will help you reach desired performance (high temp. resistance, impact strength, electrical resistance...) by understanding the interrelationships between process and formulation of rigid PVC.

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Paul Mastro Presented By:
Paul Mastro

Length: 90 min

Course Type: Formulation
Level: Intermediate

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Package includes:

.wmv Courses Recording, Presentation Slides & Transcript of Q&A session

Why should you view this course?

Increasingly demanding end use & regulation requirements (high temp. resistance, larger pipes, NSF std 14 for potable water, UL 94 for electrical conduits) continue to push for higher performance rigid PVC yet at lower cost. Often to achieve this, you have to revisit your formulation & processing choices...


1. Tailor more easily your PVC performance by understanding the impact of formulation & processing parameters (shear rate, residence time, melt temp....) on its mechanical, electrical properties…

2. Troubleshoot faster PVC degradation, high scrap rates ...: know the causes & solutions and how the system will be impacted by your problem solving strategy

3. Solve future challenges on your own (without relying too much on suppliers) by finding a balance between the shear heat generated & the stabilization package in your formulation

Who should view this course?

R&D people working with Rigid PVC (formulation, processing, use…) who wish to faster solve their problems or achieve new performance levels in pipes, fittings, conduits, siding, profiles…

Course Outline

The following sections will be covered:

  1. Introduction to Rigid PVC Compounds

  2. Optimizing Formulation of Rigid PVC
    • Resin and Compounds
    • Ingredients (stabilizers, waxes, lubricants, impact modifiers, etc.) & how they work

  3. Optimizing Processing of Rigid PVC
    • Blending and Mixing
    • Cooler and Cooling
    • Blending Sequence
    • Consistency and Cleanliness
    • Regrind use

  4. Interrelating Formulation & Process Parameters
    • Effect of additives on heat stability
    • Effects of excessive internal & external lubrication on processing

  5. Optimizing Rigid PVC Formulations for your performance targets (keeping regulations, certifications in mind)
    • Do and Don’ts of Developing Rigid PVC

  6. Typical Issues and solutions in processing Rigid PVC: Chain un-zippering, Poor mechanical properties in end use, high failure rate...

  7. Real life Case Studies

  8. References and Conclusions

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