Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by arthurchiang

  1. arthurchiang

    MFI what range of deviation is acceptable

    Dear All Thanks for input again ! In the other word, what will be the main issues caused by large percent of re-cycled material, and which index can show it as a evidence ? Tks
  2. arthurchiang

    MFI what range of deviation is acceptable

    Hi pat and all Thanks for the input Our appalictions are mobile entertainment system, and for fire proof purpose we used PC/ABS with MFI around 22, is it sufficient for tensile strength and impact resistance ? or what range of MFI should we use ? any idea or suggestion ? Tks
  3. arthurchiang

    MFI what range of deviation is acceptable

    Hi all and Dr. Demon Thanks again ! Our dry process is 80 degree C 4hrs and no any oil will polute the hinge during the process, but we do have a female screw hot bury within the hinge after injection. is this the root cause ? Since MFI is the index for the material(PC/ABS) quality what is...
  4. arthurchiang

    MFI what range of deviation is acceptable

    Hi all Thanks for the inputs. Is there any relationship or evidence could show the MFI deviation between these factors ? Tks
  5. arthurchiang

    MFI what range of deviation is acceptable

    thread709-252160 Hi all Recently, we got a serious hinge and base broken issues and we sent defect samples to SGS lab. for MFI analysis, data shows MFI change from 22(raw material) to 28 g/10min under ASTM D-1238 260degree/2.16kg, We doublt that large ratio of re-cycle material has been added...
See more

Part and Inventory Search

Back
Top Bottom