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Infoseal Mailers
Custom - Adhesives

 

Custom Infoseal
Custom InfoSeal products offer an impressive range of document features. We pride ourselves on designing products to meet your specific application needs. Features include numerous sizes, papers, ink colors, patches, die cuts, and value-added features such as ID cards, labels, and decals. Custom products are available in quantities exceeding 25,000 documents per order and multi-lot combination orders also qualify. That means you have a variety of ways to economize while maximizing the utility of the document.

Overview of Adhesives

Introduction
When designing an InfoSeal form, there are four potential adhesive applications to consider. They are:
Vertical Adhesive Lines

  • Adhesive Tabs
  • Window Adhesives
  • Envelope Patch Adhesives

Type of Adhesive
All InfoSeal forms are produced with heat resistant, re-moistenable adhesive.

Adhesive Thickness
The specifications for adhesive thickness are as follows:
Specifications
Application
Specification
  Cut Sheet
0.5 - 0.7 mils
  Continuous
0.7 - 0.9 mils

 

In This Section

For specific design considerations for each of the above four applications.

Vertical Adhesive Lines
Adhesive Tabs
Window Adhesives
Envelope Patch Adhesives

 

Vertical Adhesive Lines

Standard Specification
InfoSeal side-sealing adhesive lines are standardized at 3/16" wide. They are centered in the InfoSeal 3/8" margins.

Exceptions or Alternatives
There is no need to make the margins wider unless the client’s usage or after handling of the InfoSeal form requires it to be less than 7-3/4" in width after the InfoSeal margins are removed.

InfoSeal margins can be as narrow as ¼" if the print line or form data areas require the extra width.

Caution
Do not use a ¼" margin unless all other options have been explored.

A ¼" margin makes the sealed InfoSeal form difficult to open and adds a degree of difficulty in the manufacturing process which may result in an upcharge.

General Design Considerations
In order to insure proper sealing, the adhesive line must adhere to bare paper. Do not print screens or other copy in the area that will be sealed with the adhesive line and glue tabs.

One Part, Two-Way Adhesives
On One Part, Two-Way constructions, there are two extra vertical adhesive lines in the lower portion of the form, parallel to the marginal adhesive lines. The extra vertical adhesive line ends at the first fold forming the return envelope.

Diagram of One Part, Two-Way Adhesive Lines
The following diagram shows the layout of the adhesive lines in relation to the edge of the form and perfs.

Manufacturing Note
Use black open cells for applying the vertical adhesive lines and tabs.

 

Adhesive Tabs

Standard Specifications
The adhesive tabs are 3/4" x 3/8". The center tab is centered on the form and the two tabs are on 2" centers from the center tab. Note: on 11" depth documents with a 3-1/8" depth check in the bottom panel, the glue tab dimensions are ¾" x ¼".

Exceptions or Alternatives
The above adhesive tab sizes MUST be adhered to on all new orders.

Repeat orders that have other than the standard adhesive tab sizes may be accepted for reorder if there is no indication on the job ticket that the client has experienced sealing difficulties. If the client has experienced sealing difficulty, we will redesign the form at no charge and extend an exact repeat discount. If the customer/client does not want to change the form, and the form has given sealing problems, refer the request to the Manager of Product Development.

Adhesive Tab Registration
The tolerance for adhesive tab registration is + 1/32" on to the next sheet or –1/16" from top of form.

Caution
It is important to adhere to standard dimensions as the rollers on the folder/sealer are factory cut to provide clearance for the wet adhesive.

General Design Considerations
In order to insure proper sealing, the adhesive tabs must adhere to bare paper. Do not print screens or other copy in the area that will be sealed with the adhesive tabs.

Manufacturing Note
Use black open cells for applying the adhesive tabs.

 

Window Adhesives

Standard Specifications
The window adhesive will be a 1/8" wide line centered on the ¼" of window material that extends around the die cut. This leaves 1/8" of window material outside the adhesive pattern.
Note: See the diagram below.

Example of a Window Patch Adhesive Pattern

The above example is a 3" x 1" window. The window material extends 1/4" around the die cut in all directions. The adhesive pattern is a 1/8" wide adhesive line positioned 1/16" from the die cut. This leaves 1/16" of window material outside the adhesive pattern.

 

Envelope Patch Adhesives

Standard Specifications
The standard sizes for the envelope patch for an 8-1/2" x 11" InfoSeal form are 3-3/7" x 7-5/8" and 3-1/2" x 7-5/8". The adhesive pattern is similar to the window pattern. The adhesive line is 1/8" wide, positioned 1/16" in from the outside edge of the patch for the standard 7/8" vertical tear off perfs.

Exceptions or Alternatives
If the paper weight for the patch is 20# or heavier weight paper, the glue line also extends in at the top approximately ¼" to facilitate manufacturing.

Example of an Adhesive Pattern for a 20# Return Envelope
The below drawing illustrates how the adhesive pattern for a 20# return envelope patch extends into the opening by ¼".

Adhesive Used to Keep the Return Envelope Closed
To insure trouble-free manufacturing and subsequent smooth feeding in the client's printer, the InfoSeal reply envelope patch is secured at the opening with three small adhesive dots located 1/8" from the edge of the patch.

If the InfoSeal form has a window, one of the three dots will be centered under the window. The adhesive dot size = 3/16" x 3/16".

Minimum Number of Adhesive Dots Required
One concern with envelope patch adhesives is to prevent the patch from catching in the printer. We have successfully produced forms with three, two, one and even no adhesive dots holding the envelope patch closed for processing.

 

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Infoseal, LLC • 1825 Blue Hills Circle • Roanoke, Virginia • 24012 • 1.888.952.4636 • Fax 888.652.4636