The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
Online Course

Discoloration of PVC Products: How to Minimize or Avoid It

7 Days left to register

Wednesday May 29, 2019

Are you faced with discoloration issues like photo bluing, photo pinking, photo greying, yellowing and chalking in your colored PVC products (pipes, cables, membranes…)?

In this new course, expert Michael Schiller will explain reasons and mechanisms of discoloration. He will explain which raw material can cause the problem and eventually how to change product composition to minimize the issue at the formulation stage itself with the help of practical tips.

Read the full Course Outline

Presented By:
Michael Schiller

Length: 90 min

Course Type: Methodology
Level: Intermediate

Next Session: May 29, 2019
10:00 a.m. (New York City)
4:00 p.m. (Paris)

Check your local time

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Why should you attend?

Being in the PVC industry, you will agree that discolorations have been a long-standing issue! Be it rigid or plasticized PVC, filled or transparent PVC products, issues like yellowing, photo bluing, photo pinking, chalking… are common. The discolorations will stay if no actions are taken. By understanding the complexity of the discoloration and their reasons, it is possible to take corrective actions on time! Say goodbye to discoloration in PVC products by joining this course. You will:

  • Save your R&D time by getting overview on the problems and their complexity

  • Identify the suspicious raw material in time to change the product composition that minimizes the issue

  • Find the best suited additive or raw material (filler content, titanium dioxide, antioxidant…) for your application (from rigid and plasticized PVC, to filled & transparent PVC products)

  • Get advice and practical tips on your own technical challenges by interacting live with our expert Michael Schiller

Who should attend?

  • End users of colored PVC products
  • Formulators, Raw material supplier and manufacturers as well as anyone who faces PVC discoloration issue and wants to understand the related mechanisms

Course Outline

  • Overview of photochemistry

  • Types of discolorations
    • Chalking
    • Photo bluing
    • Photo greying
    • Photo pinking
    • Yellowing.. and many more

  • Factors (water absorption, humid surroundings, environmental pollutants like pollen, flying rust …) and materials causing discoloration

  • Understanding the mechanism of each type of discoloration

  • Comprehensive Test methods

  • Tips to minimize / avoid discoloration (raw materials and dryblend composition)

  • 30 mins Q&A- Ask your questions directly to the expert!

  • Have a query ? Email us for any help !

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