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  1. sunburn731

    Polycarbonate? Is this the right plastic to use?

    It needs to be as optically clear as possible. Part of the helmet will be used to view out of. I think there will be an acceptable amount of hazyness / cloudiness...but for the most part, perceived quality would be best with something optically clear.
  2. sunburn731

    Polycarbonate? Is this the right plastic to use?

    Haha, I am a student of you guys. I'm actually an Industrial Designer; having worked primarily in consumer electronics. I'm working on a helmet and needed insight on plastics. I'm unfamiliar outside of plastics like ABS for CE... I don't think heat will be an issue, but voltage may be. As some...
  3. sunburn731

    Polycarbonate? Is this the right plastic to use?

    Thanks everyone.
  4. sunburn731

    Polycarbonate? Is this the right plastic to use?

    I'm looking for a plastic that have these characteristics: 1)Optically clear 2)Chemically resistant (particularly against oil, petroleum based chemicals) 3)Impact resistant / durable 4) Easy to mold Any recommendations would be helpful. Thank you.
  5. sunburn731

    is there difference between a linear solenoid and a linear actuator?

    I am designing a system that requires a pin to be pulled back to drop a ball in a tube. Based on my research I found a linear solenoid device and a linear actuator. Are they the same thing? If they are different, what are the key differences? I am looking for a low cost part that doesnt need to...
  6. sunburn731

    TPE vs TPV

    Thanks... But between the TPV and TPE..is there a reason one would choose one over the other? (While trying to achieve a overmold). i.e. (Is one cheaper? Is one easier to process? Is one superior in properties? etc..) Regards, Sunny
  7. sunburn731

    TPE vs TPV

    Hi, I am trying to over mold Polypropylene with a rubber like material and have narrowed it down to TPE (thermoplastic elastomer) and TPV (thermoplastic vulcanizate). I do not know the real differences and have some questions: 1)Can they both be overmolded onto polypropylene? 2)Which one is...

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