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  1. sunewu

    Safe ceiling on blow molded HDPE filled with Calcium Carbonate......

    Is your rule of 40% on single wall applications (bottles)? Can it apply to double walls with tackoff structure? We tried from 5 to 50% and some projects stay around 20-30%. They range from 5 to 30 lbs parts. The issues in these (10+) years are: 1, tail not consistent 2, tackoff not consistent...
  2. sunewu

    Safe ceiling on blow molded HDPE filled with Calcium Carbonate......

    Pet, The living hinge is 'one-time-deal' to save shipping costs and yet the folded product needs to withstnd human body weight. My concern is if CC degrades the integrity of the livig hinge during its life span even the product may pass the lab test. ew
  3. sunewu

    Safe ceiling on blow molded HDPE filled with Calcium Carbonate......

    Pat, Thanks! "What's the guide line of measurement: volume or weight?" >>weight "How many re-grind cycles can we go?" >>puzzle is the ash result never stays stable. "How about the colorant?" Some colourants will have a pronounced effect on properties. You need to investigate each colour...
  4. sunewu

    paints system on HDPE

    Dr. DeArmitt Thanks! How about how to start a paint line? What kind of paints and equipment should we go after? ew BTW, I have another non-paint related question posted: CaCO3. Could you please advise me on that one as well?
  5. sunewu

    paints system on HDPE

    Mike, Thanks! We just want to add some custom colors with 'shading' effect onto our products. Plus, we're ready to energize the molded surface so we can paint it. ew
  6. sunewu

    paints system on HDPE

    Looking for a paint system/UV material(s) to paint over molded HDPE material for outdoor application. Please help!
  7. sunewu

    Safe ceiling on blow molded HDPE filled with Calcium Carbonate......

    All, What the Calcium Carbonate safe content ceiling (%) blow molded HM HDPE can be filled with? The application is seating, furniture, that required to pass BIFMA tests. What's the guide line of measurement: volume or weight? How many re-grind cycles can we go? How about the colorant? Is it...
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