Our advice
Discover hot gas (nitrogen) welding
Practical sheet REF: FIC1278 V1
Our advice
Discover hot gas (nitrogen) welding

Author : Delphine Mathilde COSME

Publication date: March 10, 2014 | Lire en français

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6. Our advice

6.1 Always check for surface pollution

Indeed, the majority of failures in material assembly in general, and in thermoplastic welding in particular, are due to soiling in storage or during the previous process step. A surface tension test can confirm any suspicions.

Two solutions:

  • Use a test ink (see Phenomena involved in material assembly [FIC 0765] ).

  • Clean the surface...

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