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  1. billraz

    losing strength over time - any suggestions to improve?

    Thanks James, We have tried PP w/10% glass and it seemed to work well, just not as strong. We'll test w/25% and see what happens. Thanks, bill
  2. billraz

    losing strength over time - any suggestions to improve?

    Thanks 'patprimer.' We had problems with the clips breaking, being brittle. We're finding out the nylon was not conditioned properly. We're conditioning the Nylon now, but my concern is they keep absorbing water and losing strength. We've changed other Nylon products to Acetal (Celcon...
  3. billraz

    losing strength over time - any suggestions to improve?

    Thank you Jeff and 'patprimer.' I'm in Oregon with a little humidity, so that's probably the culprit. Would wrapping the product in plastic be beneficial? Adding glass is a great idea, but there are two problems; the costs are higher and more importantly, it becomes too brittle. Oh yeah, I...
  4. billraz

    losing strength over time - any suggestions to improve?

    Hi, I'm using a polymide (nylon) 6 (Akulon K-222, http://www.matweb.com/search/SpecificMaterial.asp?bassnum=PDSMEU048) and having a problem with the part losing 20% strength over time when exposed to air/sun/humidity. We make a product that joins rebar at their junctions prior to pouring...
  5. billraz

    Stainless steel thread lock/adhesive

    I'm curious to know what the best chemical bond could be used to lock 3/8" diameter, 420HC stainless steel, heat treated to 40-45 HRc threads. I'm using loctite 262 with primer and it does not seem to bond well. I'm getting 50% failure. It's a medium production part with 250-500 pieces...
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