3M

Typical Physical Properties and Performance Characteristics

Note: The following technical information and data should be considered representative or typical only and should not be

used for specification purposes.

(2)

Product Number

3M™ Double Coated Tape 9490LE

Adhesion to stainless steel

Oz/in (N/cm) [kg/25.4 mm]

ASTM D3330 - 90 degree

- 15 minute RT (FS/BS)

25/60 (2.7/6.6) [0.7/1.7]

- 72 hour RT (FS/BS)

125/140 (13.7/15.3) [3.6/4.0]

- 72 hour 158°F (70°C) (FS/BS)

125/160 (13.7/17.5) [3.6/4.6]

ASTM D3330 - 180 degree,

2 mil Al foil - 72 hr RT

Faceside

135 (14.8) [3.8]

Backside

155 (17.0) [4.4]

Shear Strength - ASTM D3654 modified -

1000 grams at 72°F (22°C)

>10,000 minutes

500 grams at 158°F (70°C)

>10,000 minutes

Relative High Temperature

Operating Ranges:

Long Term (days, weeks)

200°F (93°C)

Short Term (minutes, hours)

300°F (149°C)

Relative Solvent Resistance

Very Good

Dielectric Properties:

Dielectric Strength

1025 volts/mil

Breakdown Voltage

5700 volts

Roll length, width, slitting tolerance, core size.

Available Lengths (Subject to minimum order requirements)

Maximum Length

1/2" to 63/64"

180 yd. (164 m)

1" to 3"

360 yd. (329 m)

3" to 48"

360 yd. (329 m)

48" to 54"

360 yd. (329 m)

Normal Slitting Tolerance

±1/32" (0.8 mm)

Core Size ID

3.0" (76.2 mm)

Sheet Size

Not Available

Available Sizes