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  1. bngneer1138

    nylon 6-6 poor impact strength !

    just further confirming my suspicions...well there are some silver streaks, but the flow line i am talking about could best be described as the snaking pattern carved out in sand by a small stream.
  2. bngneer1138

    Tissue properties of the Eye

    Can you expand upon what you mean by the mechanical properties of the "28 parts of the eye". The problem with biological tissues and mechanical testing is their properties vary greatly with changing variables. Most biological tissues especially those found in the eye are greatly dependent on...
  3. bngneer1138

    Inj. Molded Nylon 6-6.....Poor/ Inconsistent impact strength

    Thank you mike. This forum has already proved itself very useful.I am glad that you have a similar opinion as I do. Unfortunately, I think think my friend is having the same thoughts, but it is hard considering the time and money he has already invested. Much appreciated.
  4. bngneer1138

    nylon 6-6 poor impact strength !

    Well I can tell you it is Nylon 6-6 (Dupont) ....No additives that i know of besides black coloring im assuming some type of carbon black....the nylon is bought by the molder black he does not change the color himself. I can tell you with certanty that there is no glass filler or any other type...
  5. bngneer1138

    nylon 6-6 poor impact strength !

    I will post pics of actual part failures when they are available. Thanks,
  6. bngneer1138

    nylon 6-6 poor impact strength !

    This is not the exact part...however the part is very similar in design to this....in the way of internal voids and approx wall thicknesses. I, nor my friend, have any association with the part in the picture...
  7. bngneer1138

    Inj. Molded Nylon 6-6.....Poor/ Inconsistent impact strength

    It is hard ...the whole point of using an outside vendor is to not do the work yourself...he has other things going on and needs a reliable supplier that doesn't need his hand held.
  8. bngneer1138

    Inj. Molded Nylon 6-6.....Poor/ Inconsistent impact strength

    Thanks Mike, He has been to the supplier multiple times. This has been a problem for over 2 years. The plant is capable of making a good part they ARE NOT capable of doing it consistently. He has mentioned that he does not think his dryer is sufficient. My guess, if i had to choose, is that...
  9. bngneer1138

    nylon 6-6 poor impact strength !

    Hello, I am posting this question on here for someone i have been trying to help sort out a plastics problem for sometime now. The following is a brief description of the part and problem. I have no actual experience in the plastics industry, but i am an engineer and know what i know from...
  10. bngneer1138

    Inj. Molded Nylon 6-6.....Poor/ Inconsistent impact strength

    Hello, I am posting this question on here for someone i have been trying to help sort out a plastics problem for sometime now. The following is a brief description of the part and problem. I have no actual experience in the plastics industry, but i am an engineer and know what i know from...

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