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What's Cooking at Popp
Coil Diameter Guide

Use this handy chart to determine which size coil is right for your project. For more information on availability and color options available, please see the Coil Color Guide or call us if you have additional questions.

Double Loop Guide

Use this handy guide to make the right double loop wire diameter for your project.


19 Ring Wire Guide

Use this handy guide to make the right 19 ring wire diameter selection for your project.

Customer Resources
Coil Color Guide

Most coils sizes are stocked in the following colors; Black, White, Clear, Blue, Red, Maroon, Navy and Forest Green.

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Frequently Asked Questions

At Popp, we pride ourselves in knowing our product and having the answers to your questions. Below you will find a list of frequently asked questions. If you don't find the answer you are looking for, email us at or call us at 1-800-437-4787.


Have a pouch that is stuck in the machine?

When running a pouch through without a carrier and it gets stuck, run a carrier through to see if it will push the pouch out.  


Cleaning the Rollers on a Pouch Laminator

Always refer to your machine manual.

Helpful idea:
When cleaning the rollers, run a pouch carrier or an #80 lb. cover stock through while the machine is still hot to pull any adhesive off the rollers.  If there is still build up, refer to your manual.  


Why use Comb Binding?

  • Binding combs are available in diameters as small as 1/4" up to 2"
  • Combs can be re-used multiple times without outward signs of wear
  • They are extremely durable
  • Available in 8 different colors
  • Combs allow pages to be easily added or removed 

Squealing while film is advancing

Squealing is usually eliminated by reducing the supply roll tension and/or speeding up the machine.


Bubbles between film and paper

Bubbles can be caused by lack of supply roll tension, the film is not threaded correctly, if the temperature is too low, or if the laminating rollers are open.

Bubbles on the leading edge of the sheet being laminated is characteristic of what happens when the item is pushed into the nip faster than the speed of the laminator. Bubbles can be captured in the same manner when the back of the item is lifted off the feed tray or when the item is pushed too quickly as it is being fed.  


Laminating Rollers

If you see serious wrinkling on both sides of both film and paper, the laminating rollers probably need to be closed and locked. Check you roller opening/closing controls.


Wrinkling of the Film

The film will wrinkle if there is not enough supply roll tension. Any laminator needs a certain amount of resistance to the unwinding of the supply rolls so that the film lays flat as it goes into the rollers.
Helpful hint:
   A. Make sure the film path is correct for both top and bottom webs.
   B. Make sure the film is threaded around both the top and bottom idlers.
   C. Make sure the machine is up to temperature.

IF the top roll of film looks fine, but the bottom shows alot of bubbles and wrinkles, the bottom
idler is probably NOT threaded.  (refer to the threading guide page in your manual)    


How do you use comb bindings?

You must have a comb binding machine that will punch and bind the documents.  The machines are simple to use. Align the papers on the machine reference guide to punch the rectangular holes, once you have punched all the papers, select your binding diameter and color, then place the comb binder on the machine to open the "fingers" on the binding and place the punched paper over the "fingers" of the binder.  Close the binding and you have a finished book.  (Covers are available and come in a variety of styles to match the binders) 



What binding method should I use?

Comb binding is the most afforable binding method used, comb binding also allows you to add and remove pages easily and the book will lie flat.  They are available in 10 different colors and are extremely durable.

Coil binding is a popular binding method, the book pages will flip around easily, such as that on a calendar, there are 45 different colors to choose from and pages can be added or re-moved also.



Are comb bindings recycled?

Yes, comb bindings can be recycled and re-used.


What can comb bindings be used for?

Comb binding can be used to bind reports, presentations, cookbooks, albums, scrapbooks, manuals, inventory records, sales sheets, and so much more.


What are binding combs?

Binding combs are referred to as combs because the fingers loosely resemble those found on a hair comb.


What diameters do comb bindings come in?

Binding combs diameters range from 1/4" (binds 20 sheets paper) up to 2" (binds 425 sheets of paper) 


What colors do coil bindings come in?

Choose from 45 different color selections. See our Color chart.


Oval Holes vs. Round Holes in coil binding

The oval hole pattern uses a 4:1 pitch (0.248") versus the standard round hole 4:1 pitch (0.250") 
Most coil binding machines are made with round hole punches. The oval hole pattern pitch is designed to give you 44 evenly-centered holes on an 11" sheet, and make it easier for pages to turn and the additional height of the oval makes it easier to insert the coils.  The hole pattern is compatible with standard 4:1 pitch coils and can increase productivity by as much as 40%.   


Which is the best pitch for coil binding?

 A 4:1 pitch hole pattern is the most widely used as you are able to bind more sheets of paper; the 5:1 pitch hole pattern has a "tighter" look and works well for thinner books and presentations.


What is silk-screened combs?

A process of printing, where a fine stencil is created in the shape of your design. The stencil is placed on the comb, the ink is then rolled on. Silk-screening creates perfect lines, without bleeds and creates an attractive and sharp image.


Can you imprint on comb bindings?

Yes, we can create custom printed combs with your logo or text. Contact our office for a quote at 1-800-437-4787


Why leave an edge on laminated materials? 

When trimming laminated pieces, leave a 1/8" edge around the article to help prevent moisture from getting into the piece and maintains a good seal around the material, so it will not come apart.  Flush cut itmes tend to do this. 


What to use for trimming laminated documents.

1. Rotary Trimmer   2.  Zippy Knife   3.  Scissor    4. Craft knife