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3M 4945
3M VHB™ 45mil Firm White

General Information
4945 is a 45 mil, VHB™ double coated adhesive foam. It has a multi-purpose adhesive on both sides of a firm acrylic foam. In many cases they can replace rivets, spot welds, liquid adhesives or other permanent fasteners. It is often used to attach vinyl trim, bond vinyl extrusions or adhere pre-painted truck and trailer skins.
Backing Adhesive
(unwind)		 Thickness
(total)		 Liner Type
(outer)
Acrylic Foam Acrylic 45.00 mil Paper (3 mil, 54# densified kraft printed)

Adhesion to Steel
180° Peel		 adhesion to steel 180° peel - liner side Tensile Strength Elongation Percent
400.00 oz/in 400.00 oz/in 140.00 lbs/in  

Min Application
Temp		 Min Service
Temp		 Max Short-Term
Temp		 Max Long-Term
Temp
50 °F -31 °F 200 °F 300 °F
Adhesive Tape Features
  • Multipurpose acrylic bonds to a wide range of materials including metals, glass, and high and medium surface energy plastics and paints
  • The unique adhesive resists migration of plasticizers in vinyl substrates
  • 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
  • Firm acrylic foam provides the highest level of foam strength in the 3M™ VHB™ family
  • UL Recognition 746C
  • Low outgassing properties
Adhesive Tape Applications
  • Attach vinyl trim
  • Bond vinyl extrusions
  • Bond pre-painted truck & trailer skins
  • Replace rivets
  • Bonding a variety of substrates, including most metal, sealed wood and glass, as well as many plastics, composites and painted surfaces
Adhesive Tape Markets Served
  • Construction
  • Extruders of Plastic and Rubber
  • Truck and trailer body
  • Commercial
  • Industrial
  • Automotive
Adhesive Tape Colors
  • White

Comparable products

3M 4945 View Datasheet
3M VHB™ 45mil Firm White
Backing Adhesive Thickness Adhesion
 Acrylic Foam   Acrylic   45.00mil   400.00oz/in 

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