Product category:
Adhesives, threadlockers and other consumables
News Release from: 3M Industrial Adhesives and Tapes | Subject: 3M SP-7514
Edited by the Engineeringtalk Editorial
Team on 30 July 2004
Screen-printable adhesive in the
spotlight
3M SP-7514 is a new UV-cured, screen-printable adhesive for applications including electronics manufacture, membrane switches, nameplates, automotive dashboards and sign-making.
Nor-cote and 3M have combined their expertise in UV printing technology and advanced adhesives, respectively, to produce a new UV-cured, screen-printable adhesive for applications including electronics manufacture, membrane switches, nameplates, automotive dashboards and sign-making 3M SP-7514 is an innovative liquid PU-acrylate based material, suitable for both flatbed and rotary screen-printing, that can be processed faster and more consistently than solvent or water based alternatives
This article was originally published on Engineeringtalk on 9 Mar 2006 at 8.00am (UK)
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3M SP-7514 has been optimised to give a balanced combination of peel and shear strength and for durable long-term performance in arduous environments.
3M SP-7514 is ideal for intricate adhesive application such as that required in the manufacture of keypads or automotive instrument panels.
Accurate outlines with thicknesses of less than 25um can easily be printed and, unlike die-cut adhesive films, no tooling is required and no cutting waste is generated during processing.
Further reading
Acrylic adhesive gets stuck into industrial work
Acrylic adhesive has a three to five minute working life and builds strength rapidly to a handling time of seven minutes for a use on metals, ceramics, wood and most plastics.
Speedy setup for orbital spin riveter
The orbital spin riveter is of rigid construction and suitable for single-, multi-point or multi-spindle applications for fast and effective spin riveting.
The material's 100% adhesive composition - without organic solvents or water - eliminates shrinkage, improves the processing environment and makes 3M SP-7514 extremely economical in use.
As the adhesive will not dry on the screen, the need for periodic cleaning of equipment is eliminated.
Combined with the fast UV curing, this can increase overall productivity by as much as 40%.
As well as allowing high-speed processing, 3M SP-7514 also gives the user the ability to control the performance characteristics of the adhesive by definitive curing.
Altering the intensity of the UV light allows the shear, peal and tack properties of the adhesive to be matched exactly to the application.
Curing stops when the UV source is switched off, and the adhesive properties remain constant and repeatable regardless of changes in temperature or humidity.
After curing, the material behaves like a typical pressure-sensitive adhesive tape.
It can be laminated straight away or protected with a release liner for later use.
"This new adhesive technology gives manufacturers exactly what they have been looking for in terms of processing speed, control and environmental performance", says Dr Chris Howitt, Technical Manager of 3M's UK Industrial Business.
"When maximum throughput, minimum waste and optimum quality are all priorities, SP-7514 is a superb solution".
"This new 3M adhesive is the perfect complement to our range of UV-curable graphic and electrographic inks", says Mike Bain, Managing Director of Nor-Cote UK.
"We can now provide a complete package of UV products to our industrial graphic customers while our extensive expertise in UV screen-printing technology will help them find the best solution to all their printing, processing and assembly needs".
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