3M epoxy and hot melt adhesives for electronics Manual Do Utilizador

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3
Epoxy and Hot Melt Adhesives
for Electronics
Products and Specifications
3
Industrial Business
Electronic Markets Materials Division
900 Bush Avenue, Building 21-1W-10
St. Paul, MN 55106
phone: 1-800-251-8634
or 1-651-736-3068
www.3M.com/electronicmarkets
Printed in U.S.A. 
MCS 0362220
© 3M IPC 2004 
78-6900-9828-6
10% Post-Consumer Waste Fiber
Key attribute comparisons for selected 
3M
Scotch-Weld
Epoxy Adhesives.
*
300
100
75
50
25
0
Mixed Work Life @ 23oC (minutes)
DP-100
Plus Clear
DP-100
DP-100 NS
DP-100 FR
DP- 420
DP-125
DP- 460
DP- 460  EG
DP-270
DP-190 
2216
DP- 4XL
EG
Work Life
250
200
150
100
50
0
    Total (
µ
g/g) Siloxane (
µ
g/g)
7.5
6
4.5
3
1.5
0
DP- 460
DP- 460  EG
DP- 4XL  EG
0
10
20
30
40
50
6000
5000
4000
3000
2000
1000
Overlap Shear Strength (psi)
180
°
 Peel Strength (piw)
Two-Part
One-Part
2216
DP-270
2214
NMF
2290
DP- 4XL
 EG
DP-125
DP-100
DP-100 NS
DP-100 FR
DP-100
Plus Clear
2214-HD
2214 
Hi-Flex
DP-190
DP- 420
DP- 460
DP- 460  EG
Relative Strength
250
200
150
100
50
0
Chloride (
µ
g/g)
DP- 460
DP- 460 
EG
DP- 4XL
EG
Extractable Chloride
High-performance 
adhesives for
demanding
electronics applications.
Outgassing
Duo-Pak
Bulk
*
**
Stick Sizes
37 ml
50 ml
200 ml
400 ml
1 qt
5 gal
Scotch-Weld 
Epoxy Adhesives
Jet-melt
Hot Melt Adhesives
TC
(.625" x  2")
PG
(1" x 3")
Q
(.625" x  8")
Whether your 
priority is 
precision, 
convenience, 
speed or 
cost efficiency, 
3M has the 
packaging 
options to meet 
your needs.
Packaging Options
* Scotch-Weld adhesive packaging availability can vary by product. 
** Jet-melt adhesive sticks may require specific 3M Polygun
Applicators.
3M offers dispensing systems to
meet the most exacting fabrication
and assembly applications.
Check chart for substrates used in measuring strength.
Hot Melt Adhesives
For applications requiring cost-efficient bonding, sealing, potting
or encapsulating, 3M Jet-melt adhesives offer good strength and
elastic characteristics.
*Note: This technical information and data should be considered representative or typical only and should not be used for specification purposes.
With the ever-increasing sophistication of
electronics, you need the most dependable and
versatile methods for their fabrication and
assembly. 3M
TM
Scotch-Weld
TM
epoxies and Jet-melt
TM
adhesives have the performance characteristics 
that provide reliable bonds and seals for a broad
spectrum of applications. From hard disk drive 
and printed circuit board fabrication 
to cellular phone and computer assembly, our 
adhesives can provide solutions that help 
improve product performance while 
streamlining assembly processes 
and reducing material costs.
Electronic Grade (EG) Epoxies
For assembly of sophisticated electronics where outgassing
and corrosion of material bonds are a concern, our two-part
Electronic Grade (EG) epoxies are an excellent alternative to
mechanical fasteners and lower-grade adhesives. 3M Scotch-
Weld EG epoxies produce far lower contamination levels of
ionic and outgassing impurities than typical epoxy adhesives.
This makes 3M Scotch-Weld EG epoxies ideal for the
fabrication and assembly of critical components.
One-Part Epoxies
3M Scotch-Weld one-part epoxies provide superior structural
adhesive performance where durability, environmental resistance
and chemical resistance are essential. One-part epoxies also
eliminate mixing, weighing and work life limitations. What’s
more, they cure on demand when heat is applied, thereby
offering flexibility in processing.
Two-Part Epoxies
If structural performance is a priority, consider the many
solutions provided by 3M Scotch-Weld two-part epoxies.
They’re available in a wide range of formulations, performance
profiles and handling characteristics. Precision dispensing is
made easy with the 3M EPX
Applicator System. Duo-Pak
cartridges also offer room temperature storage and long shelf
life for added convenience in many fabrication and assembly
operations.
0362220 Epoxy-Hotmelt  3/30/04  11:29 AM  Page 1