Course Title:
Hot Gas and Extrusion Welding

'There are no events currently scheduled for this course

Suitable for:
Individuals with little or no previous experience of manual welding processes but wishing to learn the skills; maintenance staff required to install and repair plastic fabrications; welding engineers unfamiliar with these processes; engineering apprentices.

Course Content:
Introduction to common thermoplastics (PVC, PP, PE, PVDF); common processing techniques; weld symbols; joint preparation (including hand tools); defects and how to avoid them; process control; inspection and testing; health and safety; introduction to CSWIP certification; practical hot gas welding and extrusion welding of PE and PP sheet.

Course Objectives:
  • To understand practical welding - hot gas and extrusion
  • To identify the common plastics materials
  • To implement procedure control and safe operation
  • To understand weld properties
  • To identify faults/defects and how to avoid them

Course duration:
  • Hot gas appreciation - 1 day
  • Hot gas and extrusion - 2 days
  • Extrusion welding - 2 days
  • Injection welding - 1 day

Additional Information:

If required, an examination can be provided following this course leading to CSWIP certification.

Custom design courses (1-5 days) can be delivered to meet the needs of an individual company - see below.

Case Studies:

Best Practice Posters available for downloading:

Welding Guides:



Certification in Plastics Welding
TWI offers certification aligned to the British and European standard for approved testing of plastics welders (BS EN 13067) and also entry level certification, via the internationally recognised CSWIP Scheme for Welding and Inspection Personnel (CSWIP).

To discuss your requirements or to book a course please telephone Scott Andrews on 01223 899569 or e-mail: