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Author Topic:   Polypropylene vs. Polyolefin???
JXDX
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posted 11-22-2000 10:06 AM              Reply w/Quote
Are they not the same thing? Is Polypropylene a kind of Polyolefin? What's the difference? Any plastic gurus out there, that can explain this to me? I need a "Plastic for Dummies" type thing...Thanks in advance.

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JXDX
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posted 11-22-2000 10:38 AM              Reply w/Quote
Speaking of "Plastics for Dummies"...can someone also recommend a good book on plastics. I need a good, well rounded book. Thanks again!

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bb
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posted 11-22-2000 02:27 PM              Reply w/Quote
JXDX,

This is a great site for plastics 101. And, yes, Polypro is an olefin.

http://www.psrc.usm.edu/macrog/index.htm

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Turtlehead
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posted 11-24-2000 12:30 AM              Reply w/Quote
Get a copy of Modern Plastics Annual Plastics Guide--Try to get a free subscription as a qualified professional. Very useful...

And as always, just call the office of any of the big resin suppliers--they will be (jxdx...paging jxdx)--there is your Utah representative for Dupont at reception....

They want your business--just give them a call--you'll likely get a mug/mouse pad and lunch....

It's a working relationship, so don't abuse it. So if they help you--specify the resin appropriately. They will bend over backwards for you. One contract from you can mean containerloads of resin over the product life.

Do the math--100,000 per year x 3 years x 2 pounds x $1.50/lb = $900,000.00

I have even seen them support programs for free--mold flow, finite element analysis, etc.

So get that Dupont guy (or resin supplier of choice) to bring you somewhere decent for lunch! You have to get a working relationship with them so that they know you will use their resin as appropriate. They may even help you out and point you in the direction of another resin supplier if you have a good working relationship--they know they will get business from you if they are good. Just treat them how you would want to be treated if you were a resin supplier.

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JXDX
unregistered
posted 11-27-2000 02:03 PM              Reply w/Quote
Turtlehead,

Whoa, not only great advice, but your ESP abilities rival "The Great Kreskin!..."Utah", man you need your own TV show...unless you saw that I was from UT on another thread?!?

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