Call 800-282-0090
Login  |  Request Quote |  Contact Us |  New to the Site? GO

Home  |  Products  |  MY ACCOUNT  |  WHO WE ARE  |  WHAT WE DO  |  LEARNING CENTER
Search Product
Search Site


Home > Data Sheet
3M 4646
3M VHB® 25mil High Temperature Acrylic Foam

General Information
4646 is a 25mil, dark gray, acrylic foam tape for bonding metals and other high surface energy materials. It has an excellent temperature resistance and can be used to bond metal parts prior to paint processing.
Backing Adhesive
(unwind)		 Thickness
(total)		 Liner Type
(outer)
Acrylic Foam Acrylic 25.00 mil Polyethylene( 5 mil red)

Adhesion to Steel
180° Peel		 adhesion to steel 180° peel - liner side Tensile Strength Elongation Percent
240.00 oz/in 240.00 oz/in 100.00 lbs/in  

Min Application
Temp		 Min Service
Temp		 Max Short-Term
Temp		 Max Long-Term
Temp
50 °F -40 °F 450 °F 300 °F
Adhesive Tape Features
  • Can replace liquid adhesives, spot welds, rivets and many mechanical fasteners
  • General purpose acrylic adhesive bonds to most higher surface energy substrates including metal, glass, and high surface energy plastics
  • Firm acrylic foam provides the highest level of foam strength in the 3M™ VHB™ family
  • Viscoelastic acrylic gives foam energy absorbing and stress relaxing properties
  • Acrylic chemistry provides outstanding durability and excellent solvent and moisture resistance with some moderate resistance to chemicals
  • UL Recognition 746C
Adhesive Tape Applications
  • Pre-powder coat paint applications: hat channels & stiffeners
  • Bonding metals and other high surface energy materials
Adhesive Tape Markets Served
Adhesive Tape Colors
  • Gray

Comparable products

3M 4646 View Datasheet
3M VHB® 25mil High Temperature Acrylic Foam
Backing Adhesive Thickness Adhesion
 Acrylic Foam   Acrylic   25.00mil   240.00oz/in 

Converting Options
most
popular
Industries Served

Prototyping Services

Inventory Management
Converting Services
Budnick Converting offers a number of services to take the product you need and make it perfect for your application.  With converting methods ranging from precision slitting or die-cutting to printing and coating, Budnick has the capabilities to create anything you can dream up. 
Services
Precision Cutting

Die-Cutting

Slitting

Printing

Adhesive Coating

Finishing and Spooling
Next Steps
Learn More About Budnick

Contact Us

View Case Studies
Results Powered By TapeInfo...THE Adhesive Tape Search Engine
Search the database with over 10,000 adhesive tapes, foams and other flexible materials

Call Us 1-800-282-0090
Subscribe to our RSS Feed
New to the Site? Start here.

Search Product
Search Site

Join the Budnick Mailing List
Join our newsletter and receive informative news about your industry and special offers.
Who We Are
What We Do
Search & Shop
Learning Center
Etc.
© 2011 Budnick Converting, Inc. All Rights Reserved.