3M 9490LE 2" X 4"-50 datasheet, PDF

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3M 9490LE 2" X 4"-50: DescriptionTAPE DBL COATED CLR 2"X 4" 50/RL; Categoryaccessories; File Size138KB，4 Pages; Manufacturer3M; Websitehttp://3M.com/esd; Environmental Compliance

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3M 9490LE 2" X 4"-50 Overview

TAPE DBL COATED CLR 2"X 4" 50/RL

3M 9490LE 2" X 4"-50 Parametric

Parameter Name	Attribute value
Tape type	Double coated, double sided
Adhesive	Acrylic, 300LSE; Acrylic, 300MP
base fabric, carrier	Carrier - Polyester, Lining - Polyethylene coated kraft paper
thickness	0.0067"（6.7 mils，0.170mm）
Thickness - Adhesive	0.0062"（6.2 mils，0.157mm）
Thickness - base fabric, carrier	0.0005"（0.5 mils，0.013mm）
width	2.00"（50.80mm）
length	4.00"（101.60mm）
color	transparent
use	-
temperature range	200°F (93°C) maximum
shelf life	24 months
Shelf life start date	Manufacturing date

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Technical Data

November 2011

™

Double Coated Tape 9490LE

Product Description

3M™ Double Coated Tape 9490LE with 3M™ Laminating Adhesive 300LSE provides high bond strength to most surfaces,

including many low surface energy plastics such as polypropylene and powder coated paints. The acrylic adhesive also

provides excellent adhesion to surfaces contaminated lightly with oil typically used with machine parts. 3M double coated

tape 9490LE offers the added feature of 3M™ Laminating Adhesive 300MP on one side to provide excellent bond strength

to a variety of foam and fabric materials.

Construction

Product

Number

3M™ Double

Coated Tape

9490LE

Faceside

Adhesive

Thickness

2.8 mil

(0.071mm)

Carrier

Type/

Thickness

Clear PET

0.5 mil

(0.013mm)

Backside

Adhesive

Thickness

3.4 mil

(0.086mm)

Liner

Color, Type,

Tan, 58#,

Polycoated Kraft

“3M 300LSE”

Liner

Caliper

4.2 mil

(0.11mm)

Total Tape

Thickness

(w/o liner)

6.7 mil

(0.17mm)

Note 1: Faceside (FS) adhesive 300MP is on the interior of the roll, exposed when unwound.

Note 2: Backside (BS) adhesive 300LSE is on the exterior of the roll, exposed when liner is removed.

Note 3: PET (Polyester).

Note 4: The caliper listed is based on a calculation from manufacturing controlled adhesive coat weights using a density of 1.012 g/cc.

Features

• This tape has a moisture resistant polycoated kraft liner which can withstand high humidity conditions with minimal

cockling or wrinkling.

• This tape has a film carrier which can add dimensional stability to foams and other substrates and also make it easier to

handle the tape during slitting and die-cutting.

• The bond strength of 3M™ Laminating Adhesive 300LSE increases as a function of time and temperature, and has very

high initial adhesion.

Application Ideas

• Foam attachment for electronic assemblies.

• Low surface energy substrates.

• Graphic attachment of high surface energy and low surface energy.

™

Double Coated Tape 9490LE

Application Techniques

Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure and

moderate heat, from 100°F (38°C) to 130°F (54°C), will assist the adhesive in developing intimate contact with the

bonding surface.

To obtain optimum adhesion, the bonding surfaces must be clean, dry and well unified. Some typical surface cleaning

solvents are isopropyl alcohol or heptane.*

Ideal tape application temperature range is 70°F to 100°F (21°C to 38°C). Initial tape application to surfaces at temperatures

below 50°F (10°C) is not recommended because the adhesive becomes too firm to adhere readily. However, once properly

applied, low temperature holding is generally satisfactory.

*Note:

Carefully read and follow the manufacturer’s precautions and directions for use when working with solvents.

These cleaning recommendations may not be compliant with the rules of certain Air Quality Management

Districts in California; consult applicable rules before use.

Environmental Performance

Humidity Resistance:

High humidity has minimal effect on adhesive performance. No significant reduction in bond

strength is observed after exposure for seven days at 90°F (32°C) and 90% relative humidity.

UV Resistance:

When properly applied, nameplates and decorative trim parts are not adversely affected by exposure to

direct sunlight.

Water Resistance:

Immersion in water has no appreciable effect on the bond strength. After 100 hours at room

temperature, the high bond strength is maintained.

Temperature Cycling Resistance:

High bond strength is maintained after cycling four times through:

4 hours at 158°F (70°C)

4 hours at -20°F (-29°C)

4 hours at 73°F (22°C)

Chemical Resistance:

When properly applied, nameplate and decorative trim parts will hold securely after exposure to

numerous chemicals including oil, mild acids and alkalis.

Storage

Store in original cartons at 70°F (21°C) and 50% relative humidity.

Shelf Life

If stored under proper conditions, product retains its performance and properties for two years from date of manufacture.

(3)

™

Double Coated Tape 9490LE

Certification/Recognition

MSDS:

3M has not prepared a MSDS for this product which is not subject to the MSDS requirements of the Occupational

Safety and Health Administration’s Hazard Communication Standard, 29 C.F.R. 1910.1200(b)(6)(v). When used under

reasonable conditions or in accordance with the 3M directions for use, the product should not present a health and safety

hazard. However, use or processing of the product in a manner not in accordance with the directions for use may affect its

performance and present potential health and safety hazards.

TSCA:

This product is defined as an article under the Toxic Substances Control Act and therefore, it is exempt from

inventory listing requirements.

RoHs Complaint/REACH Compliant:

This product complies with the European Union’s “Restriction of Hazardous

Substances” (RoHs) initiative and with European REACH regulations 2002/95/EC and 2005/618/EC.

For Additional Information

To request additional product information or to arrange for sales assistance, call toll free 1-800-251-8634. Address

correspondence to: 3M, Electronics Markets Materials Division, 3M Center, Building 225-3S-06, St. Paul, MN 55144-

1000. Our fax number is 651-778-4244 or 1-877-369-2923. In Canada, phone: 1-800-364-3577. In Puerto Rico, phone:

1-787-750-3000. In Mexico, phone: 52-70-04-00.

Important Notice

All statements, technical information, and recommendations related to 3M’s products are based on information believed

to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and

determine if it is suitable for your intended application. You assume all risks and liability associated with such use.

Any statements related to the product which are not contained in 3M’s current publications, or any contrary statements

contained on your purchase order shall have no force or effect unless expressly agreed upon, in writing, by an authorized

officer of 3M.

Warranty; Limited Remedy; Limited Liability.

This product will be free from defects in material and manufacture at the time of purchase.

3M MAKES NO OTHER

WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY

OR FITNESS FOR A PARTICULAR PURPOSE.

If this product is defective within the warranty period stated above,

your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M

product.

Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential

loss or damage arising from this 3M product, regardless of the legal theory asserted.

Electronics Markets Materials Division

3M Center, Building 225-3S-06

St. Paul, MN 55144-1000

1-800-251-8634 phone

651-778-4244 fax

www.3M.com/electronics

3M is a trademark of 3M Company.

Please recycle. Printed in U.S.A.

60-5002-0529-3

(4)

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