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PostPosted: Wed Apr 16, 2008 11:58 am 
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Paper Model CINC
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I have tried several times (unsuccessfully) to make sense of the two different standards of measuring paper and card thickness, namely the U.S. system using lbs or #, and the metric one measured in grams per square meter or gsm.

Is it possible for someone to please post a definitive equivalents list, in U.S. and metric measurements, of the most popular thicknesses of cardstock used in card modelling ?! Thanks! :D


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PostPosted: Wed Apr 16, 2008 1:07 pm 
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Paper Model Overlord

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I don't know about you all, but I use 67lb card for most of my models.

Barry


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PostPosted: Wed Apr 16, 2008 1:16 pm 
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i have seen that comparison some where but i cant remember....i am sure someone will help you with it though.......hang in there cd :D :D :D

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PostPosted: Wed Apr 16, 2008 1:20 pm 
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Sorry CD; I dont have a clue where to even start when it comes to getting equivalent measurements of paper thickness.

For myself, I just go to the nearest office supply store and buy whatever they call "Cardstock". For whatever reason, that means I have a nice supply of white 110 pound card, 67 pound light gray, and 67 pound light tan card-stock.

I dont know why, but they dont seem to carry non-white in 110 pound size.

I prefer 110 as it takes glue without warping as much and wont show bleeds as much as the lighter stock.


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PostPosted: Wed Apr 16, 2008 3:34 pm 
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Hey Chris,

Here are a couple of links. Hope they help. Most of the models I've made have been printed on 67lb paper (approx. 120 gsm). I've also used 110lb (approx. 200 gsm).

http://www.cardmodelers.org/geog/cardstock.htm
http://www.paper-paper.com/weight.html


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PostPosted: Wed Apr 16, 2008 4:28 pm 
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i just checked out "paperweight" on the internet and there are so many variables in how to do paperweight....that i dont know how anyone can keep it straight. :? :? :?

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PostPosted: Wed Apr 16, 2008 4:28 pm 
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i just checked out "paperweight" on the internet and there are so many variables in how to do paperweight....that i dont know how anyone can keep it straight. :? :? :? check it out on wikipedia

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PostPosted: Wed Apr 16, 2008 4:37 pm 
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Paper Model CINC
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That's what I was afraid of! Thanks for those links, though :).

It's just that I've wondered what the equivalent of e.g. 67 lb or 110 lb cardstock is in the metric gsm system, so I can compare it with what I'm using (160 gsm card) or might choose to use in the future.


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PostPosted: Wed Apr 16, 2008 5:51 pm 
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I believe these three pdf pages concisely and completely answer every question you could dream up about size & weight metric & USA - hope it helps out ----

http://www.berghell.com/whitepapers/Pap ... eights.pdf


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PostPosted: Wed Apr 16, 2008 8:57 pm 
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i am sorry but that is wayyyyyy tooooooo complicated....we need something really down to earth....i am from the hills of S.E. Okla........way bac in the hills....lol :lol: :lol:

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PostPosted: Thu Apr 17, 2008 2:38 am 
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I'm from South Africa where the metric system is used. I use 120/140gsm for all my "regular" builds and 200/220gsm for the heavier stuff. Regular paper is approx 80gsm. 160gsm falls somewhere inbetween and just doesn't work for builds.

Hope that helps.

Niki


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PostPosted: Thu Apr 17, 2008 6:40 am 
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now..thats cut and dried........ :D :D

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PostPosted: Thu Apr 17, 2008 7:09 am 
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Glad I can help. :D


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PostPosted: Thu Apr 17, 2008 2:44 pm 
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Paper Model Overlord
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possm_23 wrote:
i am sorry but that is wayyyyyy tooooooo complicated....we need something really down to earth....

Awright, OK, OK.

3.76 is your magic number.

Multiply the weight of paper in pounds by 3.76 to obtain the equivalent weight in GSM.

For example, 67 pound cardstock would be 251gsm.

20 pound typing paper is 75gsm.

Really heavy 110 pound cardstock would be 414gsm.

And divide GSM by 3.76 to get equivalent paper weight in pounds.

Thus 220gsm is 58.5 pounds, or about the same as 60 pound cardstock.

That's about as simple as it can be made.

Hope that helps ---


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PostPosted: Thu Apr 17, 2008 5:41 pm 
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now...see there...that wasnt hard...was it...lol :lol: :lol:

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