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  1. jafarr

    Properties of Zinc-Dichromate

    It is actually a mild carbon steel washer with a yellow zinc-dichromate plating. For our application, we "need" to degrease the parts so the primer will stick. Our degreasing operation uses trichloroethyene at an elevated temp. From past we have experienced a dehydrating of the...
  2. jafarr

    Properties of Zinc-Dichromate

    I have been searching the web and cannot find a clear listing of the properties, namely mechanical, of yellow Zinc-Dichromate. My main concern is that it is not good to use it above 140 degrees F. That's all anybody been able to tell me. If some one can point me in the right direction of a...
  3. jafarr

    Cryogenic Deflashing

    Peter, Is there some specific info, or search engine to use? I have Goggled for Cyro Deflash, and found an abundant amount of suppliers for a machine. We already have two of them, but the process has never really been understood. Sure we can produce parts with no flash, but are we doing it...
  4. jafarr

    Cryogenic Deflashing

    I am trying to learn more about our cryogenic deflashing process. Does any one know of an article or book that details this process? In paticular we mold rubber, silicone, and urethane. We are having the most trouble with the silicone compounds. Queations I have would be: What is your...
  5. jafarr

    Cold Transfer Injection Molding

    I understand the basic idea behind Cold Transfer Injection Molding (CTIM). I found this "Fabric" that is placed at a point where the two opposing cones meet and holds onto the two sprues, the cured one and the semi-cured one, and then is disposed of. My question lies in the set-up of...

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