BS 89100:2018 Plastics - Joining of thermoplastic moulded components - Specification of variables for thermal joining processes

BS 89100:2018

Plastics. Joining of thermoplastic moulded components. Specification of variables for thermal joining processes

Status : Current   Published : January 2018



What is this standard about?

It defines all of the essential variables that must be considered when making thermal joints in plastic moulded components, in order to produce components of consistently acceptable quality.

Who is this standard for?

It will be used in the following manufacturing sectors among many others: 


  • Engineering
  • Military
  • Automotive
  • Aerospace
  • Appliance
  • Electronics
  • Battery
  • Plastics
  • Food
  • Medical
  • Textile
  • Packaging


Why should you use this standard?

Welded and heat staked thermoplastic moulded components of inconsistent quality have been and are being produced, even for safety critical applications, due to a lack of knowledge of what joining parameters need to be controlled within a set range. BS 89100 provides this information and also provides template documents that can be used by the organization responsible for the joining activity to record the values for each essential variable in the joining process(es) they are using.

The standard:


  • Defines all essential process variables for the thermal joining processes currently used for thermoplastic moulded components
  • Requires that a range of values for each essential variable be qualified
  • Requires that a joint design be recorded for every welded/staked component, as part of the Thermal Joining Process Specification


It covers: ultrasonic welding/staking/spot welding, infrared welding, hot gas convection welding, linear vibration welding, orbital vibration welding, spin welding, laser welding, hot plate welding, hot air heat staking, electrical heat staking and infrared heat staking.


Thermoplastic Joining Standards

3 May

This event (in association with TWI-The Welding Institute will discuss the recently launched BS 89100 as well as the upcoming the upcoming BS 89250 draft standard: ‘Plastics – Joining of thermoplastic moulded components.  Specification for quality levels for imperfections’, which will define all of the possible flaws that can occur in welds in thermoplastic moulded parts. 

Click here to find out more

Standard NumberBS 89100:2018
TitlePlastics. Joining of thermoplastic moulded components. Specification of variables for thermal joining processes
Publication Date29 January 2018
Normative References(Required to achieve compliance to this standard)BS EN ISO 472
Informative References(Provided for Information)PD CEN/TR 16862
Draft Superseded By17/30352113 DC
DescriptorsWelding, Joining processes, Variable, Components, Plastics
ISBN978 0 580 96533 3
File Size17.68 MB

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