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Sunday, March 10, 2013

Selecting the Right Premask for the Job


As a leading manufacturer of premasks, application tape and surface protection maskings, RTape has developed several products for screen print and digital print applications. The four premasks and prespacing tapes listed below are in stock and are available in the most commonly used roll widths.



To select the right tape for your application, refer to the product descriptions below, the physical properties chart and the product selection chart. If you have any questions or need assistance in selecting a premask or prespacing tape, call your RTape distributor or RTape at 800-440-1250 or 908-753-5570. In Europe or the Middle East, call RTape/Industrial Consultants at +32 9 216 67 00.


4760 - Premask for UV Inks and Clear Coats

• Heavyweight paper premask with a medium tack adhesive.

• Alternative to 3M SCPM-44X and ABI 6882.

• Compatible with UV inks, including 3M 9700 UV and Nazdar 3500 UV Series inks. 

• Ideal for halftones and 4C Process printing.
Factory Cut Roll Sizes:  24”, 36”, 48”, 54”


4760RLA®  - Premask/Prespacing Tape for Printed or Unprinted Graphics

• Heavyweight paper premask with a medium tack adhesive.

• Alternative to 3M SCPM-3, SCPS-100 and ABI 782U.

• Compatible with UV and solvent-based screen print inks and clear coats.

• Conform® Release Liner Adhesion prevents tunneling and edge curl.

Factory Cut Roll Sizes:  24”, 36”, 48”, 60”



4761RLA® - Prespacing Tape for Air Egress Vinyls

• Heavyweight paper prespacing tape with a high tack adhesive.

• Alternative to 3M SCPS-55.

• Designed for use with die cut and plotter cut graphics.

• Adheres to embossed liners of air egress films such as 3M Comply and   

   Avery EZ Apply.

• Conform® Release Liner Adhesion prevents tunneling and edge curl
Factory Cut Roll Sizes:  24”, 36”, 48”
4775RLA® - Prespacing Tape for Small & Medium Die Cut Graphics

• Heavyweight paper prespacing tape with a high tack adhesive.

• Alternative to  3M SCPS-2 and ABI 792U.

• Compatible with most vinyl films and graphics with overlaminates.

• Conform® Release Liner Adhesion prevents tunneling and edge curl.
•  Factory Cut Roll Sizes:  24”, 36”, 48


Physical Properties


Product47604760RLA4761RLA4775RLA
Caliper & Facestock104 microns (4.1 mils)104 microns (4.1 mils)104 microns (4.1 mils)104 microns (4.1 mils)
Caliper, Facestock & Adhesive130 microns (5.1 mils)130 microns (5.1 mils)130 microns (5.1 mils)130 microns (5.1 mils)
Adhesion to Stainless Steel14-18N/100mm (13-17oz.) 13-17N/100mm (12-16oz.) 19-21N/100mm (17-19oz.) 19-21N/100mm (17-19oz.)
Tensile 332N/100mm (19lb./in.) 332N/100mm (19lb./in.) 332N/100mm (19lb./in.) 332N/100mm (19lb./in.)
Elongation12%12%12%12%
Premask/Prespacing Tape Selection Guide:





Vinyl Application Videos

Squeegee Technique. Nothing is more basic in vinyl application than the squeegee. But some squeegees work better than others. And there are right ways and wrong ways to use this simple tool. This video clip reviews squeegee selection, squeegee care and squeegee technique. Click to Link

Wet Applications. Dry applications are typically recommended for most vinyl applications. For those exceptions to the rule, this instructional video explains the right way to perform a wet application. Click to Link

Application of Window Graphics. Installing vinyl graphics on glass can be challenging, because the adhesive aggressively grabs onto this high energy surface. Repositioning graphics on window is generally difficult, if not impossible. This instructional video explains how to dry apply window graphics right the first time. It also describes the necessary steps required for surface preparation. Click to Link

Transferring Frosted Window Graphics Films.  Because frosted window films are highly textured, transferring cut vinyl graphics can be problematic. This video provides direction in selection of the right application tape and how to apply these films quickly, easily and without problems. Click to Link

3-Step Surface Prep. This instructional video describes how to properly clean the surface of a vehicle before applying pressure sensitive vinyl graphics to a trailer or doing a full wrap of a car or van. This three step surface prep involves detergent washing, solvent cleaning and a final wipe down with IPA. Click to Link


Vinyl Application Over Rivets. Applying vinyl graphics on vehicle surfaces with rivets is challenging for most sign makers. Vinyl failures to these surfaces are all too common. This video demonstrates some tips and procedures, used by professional decal installers, which will make these demanding applications easier and more trouble-free.  Click to Link

Vinyl Application to Corrugations. Learn how to apply vinyl graphics to corrugations in a relaxed state. Forcing films into the valleys of corrugations puts too much mechanical stress on the film. Sooner or later, the vinyl will lift or tent in valleys. Click to Link

Applying Air Egress Vinyls. Vinyl films with air egress release liners have almost eliminated bubbles and wrinkles from applied graphics. Air egress release liners with their highly textured surface structure are problematic. Not much will stick to these liners other than the vinyl film. At RTape our best premask solution for air egress liners is a special Conform® tape called 4761RLA. Click to Link


About Jim Hingst: After fourteen years as Business Development Manager at RTape, Jim Hingst retired. He was involved in many facets of the company’s business, including marketing, sales, product development and technical service.

Hingst began his career 42 years ago in the graphic arts field creating and producing advertising and promotional materials for a large test equipment manufacturer.  Working for offset printers, large format screen printers, vinyl film manufacturers, and application tape companies, his experience included estimating, production planning, purchasing and production art, as well as sales and marketing. In his capacity as a salesman, Hingst was recognized with numerous sales achievement awards.

Drawing on his experience in production and as graphics installation subcontractor, Hingst provided the industry with practical advice, publishing more than 150 articles for  publications, such as  Signs Canada, SignCraft,  Signs of the Times, Screen Printing, Sign and Digital Graphics and  Sign Builder Illustrated. He also posted more than 325 stories on his blog (hingstssignpost.blogspot.com). In 2007 Hingst’s book, Vinyl Sign Techniques, was published.  Vinyl Sign Techniques is available at sign supply distributors and at Amazon. 


© 2016 Jim Hingst


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