Datasheet

2
Date : April 2008
Scotch-Weld 3748 Adhesive
Performance
Characteristics (Cont...)
Not for specification purposes
Overlap Shear Strength
3M/AC & S Test Method
C-3096
Substrate
OLS (psi)
Douglas Fir
Epoxy Glass FR-4
Polyethylene (High Density)
Polypropylene (High Density)
ABS
235-240
200-210
233
221-260
220-270
180° Peel Strength
3M/AC & S Test Method
C-3168
Substrate
Peel Strength (PIW)
Douglas Fir
Epoxy Glass FR-4
Polyethylene (High Density)
Polypropylene (High Density)
ABS
45
43
35
35
45
Thermal Shock
Resistance
3M/AC & S Test Method
C-3167
Liquid to Liquid
Air to Air
Passes 20 cycles
+90°C/-40°C
Passes 100 cycles
+90°C/-40°C
Thermal Co-efficient of
Expansion
180 x 10
-6
cm/cm/°C
Dielectric Constant at
1 KHz
(ASTM D 150)
2.3 at 23°C*
Dissipation Factor at
1 KHz
(ASTM D 150)
0.0010 at 23°C*
Dielectric Strength at
1 KHz
(ASTM D 149)
1300 Volts/Thou*
Volume Resistivity
(ASTM D 257) at 500 Volts
7.0 x 10
17
ohm-cm
Electrolytic Corrosion
Resistance
Measurement of electrolytic corrosion to bare copper wire after
exposure to 96% RH/35°C/45 volt bias/15 days.
Positive Wire - no visual corrosion.
Negative Wire - no visual corrosion
NB *
Data at different frequencies available on request.