3
LED Potting Tape (Green)
851J
Technical Data
September, 2004
Product Description
3M™ LED Potting Tape 851J is a green polyester film tape with a unique adhesive
system, which effectively seals and protects during the potting process of the
manufacturing of LED faceplates.
Product Construction
Backing
Transparent
Polyester
Adhesive
Blended Silicone
and Rubber
Colors
Translucent Green
Standard Roll Length
36 yds. (33 m)
Typical Physical
Properties
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
ASTM Test Method
Adhesion to Steel:
Tensile Strength:
Elongation at Break:
Backing Thickness:
Tape Tape Thickness:
30 oz./in. width (28 N/100 mm width)
29 lbs./in. width (398 N/100 mm width)
250%
1.2 mils (0.03 mm)
3.6 mils (0.09 mm)
D-3330
D-3759
D-3759
D-3652
D-3652
Features
• Can be applied by hand or automated machine.
• Low shrink polyester film helps to improve optical quality of LED parts.
• Provides the same sealing and protecting properties and produces the same matte
finish as 3M™ LED Potting Tape 851.
• Unique blended, high cure adhesive for no epoxy leakage and clean removal to
improve productivity.
• Reduce optical defects for improved epoxy finish and fewer rejected parts.
• Ultra clean adhesive for reducing contamination and less rework.
Application Ideas
• Sealing and protection during LED potting process.
3M
™
LED Potting Tape (Green)
851J
Storage
Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in
the original carton.
Shelf Life
To obtain best performance, use this product within 18 months from date of
manufacture.
For Additional
Information
To request additional product information or to arrange for sales assistance, call toll free 1-800-251-8634.
Address correspondence to:
3
M Electronics Markets Materials Division, Building 21-1W-10, 900 Bush
Avenue, St. Paul, MN 55144-1000. Our fax number is 651-733-9175. In Canada, phone: 1-800-364-3577.
In Puerto Rico, phone: 1-787-750-3000. In Mexico, phone: 52-70-04-00.
Product Use
All statements, technical information and recommendations contained in this document are based upon
tests or experience that 3M believes are reliable. However, many factors beyond 3M’s control can affect
the use and performance of a 3M product in a particular application, including the conditions under
which the product is used and the time and environmental conditions in which the product is expected to
perform. Since these factors are uniquely within the user’s knowledge and control, it is essential that the
user evaluate the 3M product to determine whether it is fit for a particular purpose and suitable for the
user’s method of application.
Warranty and
Limited Remedy
The 3M product will be free from defects in material and manufacture for a period of one (1) year from the
date of manufacture. 3M MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING,
BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY ARISING OUT OF A COURSE OF DEALING,
CUSTOM, OR USAGE OF TRADE. User is responsible for determining whether the 3M product is fit for a
particular purpose and suitable for user’s method of application. If the 3M product is defective within the
warranty period stated above, YOUR EXCLUSIVE REMEDY AND 3M’S SOLE OBLIGATION SHALL BE,
AT 3M’S OPTION, TO REPLACE OR REPAIR THE 3M PRODUCT OR REFUND THE PURCHASE
PRICE OF THE 3M PRODUCT.
Limitation of Liability
Except where prohibited by law, 3M and seller will not be liable for any loss or damage arising from the
3M product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory
asserted, including warranty, contract, negligence or strict liability.
ISO 9001
This Electronics Markets Materials Division product was manufactured under a 3M quality system registered to ISO 9001 standards.
3
Electronics Markets Materials Division
3M Center, Building 21-1W-10, 900 Bush Avenue
St. Paul, MN 55144-1000
1-800-251-8634 phone
651-733-9175 fax
www.3M.com/electronicmaterials
Recycled Paper
40% pre-consumer
10% post-consumer
Printed in U.S.A.
©3M 2004 60-5002-0063-3
(9/04)
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