Typical Physical

Properties

Product

3M™

3M™

3M™

3M™

3M™

3M™

3M™

Repositionable Repositionable Repositionable Repositionable Repositionable Repositionable Repositionable

Tape 665

Tape 666

Tape 9415PC

Tape 9416

Tape 9425

Tape 9425HT

Tape 9449S

Adhesion to Steel:

(ASTM D3330, 180° peel

modified, 72 hour dwell)

Faceside

25 oz./in.

23 oz./in.

50 oz./in.

50 oz./in.

45 oz./in.

45 oz./in.

5 oz./in.*

(27 N/100 mm)

(25 N/100 mm)

(54 N/100 mm)

(54 N/100 mm)

(49 N/100 mm)

(49 N/100 mm)

(9 N/100 mm)

Backside

23 oz./in.

25 oz./in.

3 oz./in.

3 oz./in.

12 oz./in.

12 oz./in.

—

(25 N/100 mm)

(27 N/100 mm) (5.4 N/100 mm) (5.4 N/100 mm)

(13 N/100 mm)

(13 N/100 mm)

Relative High Temperature

Operating Ranges:

125°F (52°C)

125°F (52°C)

158°F (70°C)

158°F (70°C)

125°F (52°C)

250°F (121°C)

158°F (70°C)

Relative Solvent Resistance:

Good

Good

Fair

Fair

Good

Good

Fair

U.V. Resistance:

Excellent

Excellent

Good

Good

Excellent

Excellent

Good

Note: The following technical information and data should be considered representative or

typical only and should not be used for specification purposes.

665 • 666 • 9415PC • 9416 • 9425 • 9425HT • 9449S

Available Sizes

Product

3M tape

3M tape

3M tape

3M tape

3M tape

3M tape

3M tape

665

666

9415PC

9416

9425

9425HT

9449S

Standard

72 yds.

72 yds.

72 yds.

72 yds.

72 yds.

72 yds.

72 yds.

(65.8 m)

(65.8 m)

(65.8 m)

(65.8 m)

(65.8 m)

(65.8 m)

(65.8 m)

Maximum In:

1/4" to 5/16" widths

108 yds.

72 yds.

144 yds.

144 yds.

72 yds.

72 yds.

144 yds.

(98.8 m)

(65.8 m)

(132 m)

(132 m)

(65.8 m)

(65.8 m)

(132 m)

3/8" to 7/16" widths

288 yds.

108 yds.

144 yds.

144 yds.

144 yds.

144 yds.

144 yds.

(263 m)

(98.8 m)

(132 m)

(132 m)

(132 m)

(132 m)

(132 m)

1/2" to 3" widths

288 yds.

108 yds.**

432 yds.

360 yds.

450 yds.

288 yds.

360 yds.

(263 m)

(98.8 m)

(395 m)

(329 m)

(411 m)

(263 m)

(329 m)

Greater than 3"

288 yds.

108 yds.

432 yds.

360 yds.

288 yds.

288 yds.

360 yds.

(263 m)

(98.8 m)

(395 m)

(329 m)

(263 m)

(263 m)

(329 m)

Minimum

1/4 in.

1/4 in.

1/4 in.

1/4 in.

1/4 in.

1/4 in.

1/4 in.

(25.4 mm)

(25.4 mm)

(25.4 mm)

(25.4 mm)

(25.4 mm)

(25.4 mm)

(25.4 mm)

Maximum

46 in.

46 in.

47 in.

47 in.

48 in.

48 in.

48 in.

(1168 mm)

(1168 mm)

(1194 mm)

(1194 mm)

(1219 mm)

(1219 mm)

(1219 mm)

Normal Slitting Tolerance:

± 1/32 in.

± 1/32 in.

± 1/32 in.

± 1/32 in.

± 1/32 in.

± 1/32 in.

± 1/32 in.

(0.8 mm)

(0.8 mm)

(0.8 mm)

(0.8 mm)

(0.8 mm)

(0.8 mm)

(0.8 mm)

Core Size (ID):

3.0 in.

3.0 in.

3.0 in.

3.0 in.

3.0 in.

3.0 in.

3.0 in.

(76.2 mm)

(76.2 mm)

(76.2 mm)

(76.2 mm)

(76.2 mm)

(76.2 mm)

(76.2 mm)

- 2 -

*3M tape 9449 tested with 90 degree peel using 2 mil polyester backing.

**Liner of 3M tape 666 will be skip slit within these width limits unless otherwise noted in the special instruction section of your order.