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3M Scotch-Weld™ 3748 VO Hot Melt Adhesive

Category Polymer , Adhesive
Manufacturer 3M
Trade Name Scotch-Weld™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M Scotch-Weld™ 3748 VO Hot Melt Adhesive.pdf
Price EMAIL US    sales@lookpolymers.com
Material Notes:
Self-extinguishing version of 3748 and Meets UL 1410 requirementsInformation provided by 3M
Physical Properties Metric English Comments
Density 1.09 g/cc
0.0394 lb/in³
Viscosity 3300 cP

@Temperature 220 °C
 3300 cP

@Temperature 428 °F
5000 cP

@Temperature 200 °C
 5000 cP

@Temperature 392 °F
8500 cP

@Temperature 180 °C
 8500 cP

@Temperature 356 °F
Brookfield Viscosity 5500 cP

@Temperature 191 °C
 5500 cP

@Temperature 375 °F
Mechanical Properties Metric English Comments
Hardness, Shore D 26
26
ASTM D2240
Shear Strength 1.48 MPa
215 psi
FR-24 to FR-4
1.52 MPa
220 psi
PE to PE
1.72 MPa
250 psi
PP to PP
1.90 MPa
275 psi
On Douglas Fir
1.90 MPa
275 psi
Firt to Fir
Peel Strength 2.63 kN/m
15.0 pli
on canvas
4.56 kN/m
26.0 pli
Fir, 180°
4.73 kN/m
27.0 pli
PE, 180°
6.14 kN/m
35.0 pli
PP, 180°
6.66 kN/m
38.0 pli
Wire Mesh to FR-4, 180°
Thermal Properties Metric English Comments
CTE, linear -3.40 µm/m-°C

@Thickness -2540 mm,
Temperature >=-40.0 °C
 -1.89 µin/in-°F

@Thickness -100 in,
Temperature >=-40.0 °F
15.4 µm/m-°C

@Thickness -508 mm,
Temperature >=25.0 °C
 8.56 µin/in-°F

@Thickness -20.0 in,
Temperature >=77.0 °F
Thermal Conductivity 1.92 W/m-K
13.3 BTU-in/hr-ft²-°F
Flammability, UL94 V-0
V-0
Ring & Ball Softening Point 152 °C
306 °F
ASTM E28-99
Electrical Properties Metric English Comments
Volume Resistivity 6.00e+17 ohm-cm
6.00e+17 ohm-cm
ASTM D257
Surface Resistance 4.50e+17 ohm
4.50e+17 ohm
Dielectric Constant 2.3

@Frequency 100 - 1.00e+8 Hz
 2.3

@Frequency 100 - 1.00e+8 Hz
 ASTM D149
Dielectric Strength 55.1 kV/mm

@Thickness 0.279 mm
 1400 kV/in

@Thickness 0.0110 in
 ASTM D149
Dissipation Factor 0.0010

@Frequency 1000 - 1.00e+8 Hz
 0.0010

@Frequency 1000 - 1.00e+8 Hz
 ASTM D149
0.0020

@Frequency 100 Hz
 0.0020

@Frequency 100 Hz
 ASTM D149
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