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  1. ittam

    Bonding/Cracking problem with ABS

    The application is glued stress free and it remains also in normal conditions stress free. It might be under stress when vibrating on the street, but it is not known for us yet. The cracking happen in random position and we've seen no connection to any external nor internal notches.
  2. ittam

    Bonding/Cracking problem with ABS

    in the attached picture is a section of the profile. The gas filled chamber is half cut away ( on top). The glue used can be Sika 221 or Betaseal 1001. Both are very flexible. In the groove of the profile is mounted a EPDM...
  3. ittam

    Bonding/Cracking problem with ABS

    we have tested the application in extreme temperatures and quick changes before use - no problem. The application is on the vehicle roof, but not fully exposed for sun. The short period of exposure should from my earlier experience of 25 y not be the case for this.
  4. ittam

    Bonding/Cracking problem with ABS

    I am bonding a 1 m long black ABS molding (air-mold) with PU glue on a steel surface using primer and activator. The glue and the system are approved by glue manufacturer. The application is on a vehicle. The ABS is cracking after a period of several months. The material is acc. to scans ok...
  5. ittam

    L-RTM tooling problem

    I am trying to solve a problem to produce panels ( 1m to 1m) with multiple dimensions. I need to keep the tooling cost in minimum. I would like to modify the width only symmetrically = the center would always remain and only the sides would be interchangeable inserts in the mold? The main...

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