How useful is PVC? MUST: recall the difference between PVC and uPVC SHOULD: be able to describe how the properties of PVC match its use COULD: be able to explain the problems associated with PVC

Starter What material could you use to make a Window Frame? List as many as you can What problems might their be with the materials you have listed?

Window Frames Wood

Window Frames Metal Eg Aluminium

Window Frames uPVC

What is PVC? Polyvinyl chloride Polymer Long chain molecule made of many smaller molecules Poly means many Mer means part Polymer = Many Parts

What elements are in PVC?

Two Types of PVC

uPVC Unplasticised PVC Window Frames Doors Conservatories Water Pipes Properties - Very Stiff and Strong

PVC Plasticised PVC

Risks of PVC

What is a Life Cycle Assessment?

LCA Life Cycle Assessment Cradle Life Grave

At the end of the Life Cycle

Plenary Text Book – Pages Questions