3M 4910

3M 4910 is a clear, 0.040 in (1.0 mm), general-purpose acrylic adhesive on both sides of a firm, foam core. It can replace rivets, welds, and screws. The fast and easy-to-use permanent bonding method provides high strength and long-term durability. It offers design flexibility with its viscoelasticity and powerful ability to bond to a variety of surfaces.

Data Sheet

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3M 4910 Data Sheet

3M™ VHB™ Tape - Specialty Tape 4910
The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Typical Physical Properties
Property	Values
Adhesive Type	General Purpose Acrylic
Foam Type	Solid Acrylic
Liner	PE Film
Liner Thickness	0.13 mm
Color	Clear
Liner Color	Red (printed)
Total Tape Thickness (mil)	40 mil
Total Tape Thickness (mm)	1 mm
Total Tape Thickness	0.04 in
Thickness Tolerance	±10 %
Density	960 kg/m³
Density	60 lb/ft³
Liner Thickness	0.005 in
Typical Performance Characteristics
Property	Values
90° Peel Adhesion	15 lb/in
90° Peel Adhesion	26 N/cm
Normal Tensile	690 kPa
Normal Tensile	100 lb/in²
Overlap Shear Strength	480 kPa
Overlap Shear Strength	70 lb/in²
Short Term Temperature Resistance	149 °C
Short Term Temperature Resistance	300 °F
Long Term Temp C	93 °C
Long Term Temp F	200 °F
Minimum Application Temperature	10 °C
Minimum Application Temperature	50 °F
Static Shear	1000 g
Static Shear	500 g
Static Shear	500 g
Available Sizes
Property	Values
Standard Roll Length	32.9 m
Standard Roll Length	36 yd
Minimum Available Width	6.4 mm
Minimum Available Width	0.25 in
Maximum Available Width	1219 mm
Maximum Available Width	48 in
Normal Slitting Tolerance	±0.79 mm
Normal Slitting Tolerance	±1/32 in
Core Size (ID)	76.2 mm
Core Size (ID)	3 in
Additional Performance Characteristics
Property	Values
Shear Modulus	6 x 10^5 Pa
Poisson's Ratio	0.49
Coefficient of Thermal Expansion	180 x 10^-6 m/m/°C
Coefficient of Thermal Expansion	100 x 10^-6 in/in/°F
Electrical and Thermal Properties
Property	Values
Dielectric Constant 1KHz	3.21
Dielectric Constant 1MHz	2.68
Dissipation Factor 1KHz	0.0214
Dissipation Factor 1MHz	0.0595
Dielectric Strength	25 V/µm
Dielectric Strength	630 V/mil
Thermal Conductivity	0.16 W/m/K
Thermal Conductivity	1.1 (btu-in)/(h-ft²-°F)
Volume Resistivity	3.1 x 10^15 Ω-cm
Surface Resistivity	>10^16 Ω

3M 4910 Features

The fast and easy-to-use permanent bonding method provides high strength and long-term durability
Virtually invisible fastening keeps surfaces smooth
Can replace mechanical fasteners (rivets, welds, screws) or liquid adhesives for transparent applications
Clear, 0.040 in (1.0 mm), general purpose adhesive and firm acrylic foam core offer a good balance of strength and conformability
Eliminate drilling, grinding, refinishing, screwing, welding, and associated clean-up
Creates a permanent seal against water, moisture, and more
Pressure-sensitive adhesive bonds on contact to provide immediate handling strength
Allows the use of thinner, lighter weight, and dissimilar materials