General Question

shirke's avatar

I want to know about varieties of paper,cardboard and corrugated...and also about architects using materials like paper and cordboard for construction work?

Asked by shirke (11points) August 13th, 2010

use of paper and cardboard as a construction material, its strength, its advantages and disadvantages

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1 Answer

PackagingKid's avatar

Believe it or not there is actually a lot to corrugated boxes. If you look at a box up close you would see the material looks something like this. lZl (I know it’s not the best drawing so you have to use your imagination) In this drawing the l is called the linerboard and the Z is called the flute.

Boxes come in three different thicknesses:

lZl Single Wall

lZlZl Double Wall

lZlZlZl Triple Wall

The strength of the box is measured in two different ways:

Mullens Test: Measures resistance to puncturing in PSI. When you look at a cert stamp (on the bottom of a box there is a stamp telling where the box was made and the board grade) you will see the board grade is listed in pounds. (Ex. 200LB) This is the original method of making boxes that is a little less common these days. It’s used primarily with shipments that go small parcels or UPS because it can take the type of beating that happens during these type of shipments. If you’ve seen Ace Ventura you know what I’m talking about.

Edge Crush Test (ECT)

This measures how much of a top to bottom load a box can take. This type of box is used when you will be stacking boxes on top of each other. On the cert stamp you will see it is listed in ECT (Ex. 32ECT) Most stock boxes are ECT because it does typically cost less than Mullens Board and will get the job done.

If you want to see pictures of different styles of boxes you can take a look at them on our companies website here:
If you click on “Custom Box Manufacturing” you can also watch a simple video of a box being made.

If you want to learn more about boxes and other types of packaging take a look at my Twitter or Blog. I post industry news, stories, tips, and secrets.

I know that was a lot but I hope it helps.


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