3
High Temperature Aluminum
Foil Tape
433
•
433L (Linered)
Technical Data
Product Description
3M™ High Temperature Aluminum Foil Tape 433 has a silicone adhesive that can be
used in many high temperature applications. Also comes in an easy-release film liner.
Product Construction
Backing
Aluminum foil
(Alloy 1100-0)
Adhesive
Silicone
(clear)
Color
Shiny silver
Liner (3M tape 433L)
Clear, easy-
release film
Standard Roll Length
60 yds. (55 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:
Total Tape Thickness:
Liner Thickness:
Water Vapor
Transmission Rate:
Temperature Use Range:
Permanent Appl.
Removable Appl.
Weight:
3M tape 433 40 oz./in. width (43.8 N/100 mm)
3M tape 433L 38 oz./in. width (42.0 N/100 mm)
20 lbs./in. width (350 N/100 mm)
3.5%
2.0 mils (0.05 mm)
3M tape 433 3.6 mils (0.09 mm)
3M tape 433L 3.5 mils (0.09 mm)
3M tape 433L 2 .9 mils (0.07 mm)
0.1 gms H
2
O/100 sq. in./24 hrs.
(1.55 g/m
2
/24 hrs.)
D-3833
-65° to 600°F (-54° to 316°C)
-65° to 375°F (-54° to 190°C)
0.0096 lbs./yd./in. width (.0049 kg/m/24 mm)
D-3330
D-3330
D-3759
D-3759
D-3652
D-3652
D-3652
D-3652
Features
• Flame resistant – meets requirements of F.A.R. 25.853(a).
• 3M™ High Temperature Aluminum Foil Tape 433L can easily be die-cut into
special sizes or shapes.
• Best results obtained when applied to a clean surface above 32°F (0°C), but tape
can be applied from 0°F to 200°F (-18°C to 93°C).
• Performance range from -65°F to over 600°F (-54°C to over 316°C). Adhesive will
gradually thermoset at high temperatures. As it thermosets, the adhesive mass
becomes firm and gradually loses its pressure sensitivity but will continue to hold the
tape in place.
3M
™
High Temperature Aluminum Foil Tape
433 • 433L (Linered)
Application Ideas
• Moisture barrier around doors and windows to help prevent fogging of glass.
• Seal for automotive air bag inflators.
• To hold insulation on hot air ducts in industry.
• Cover resistance wire heating elements to distribute the heat.
• Splice jumbo rolls of aluminum foil or holding the last lap of narrow width rolls in
preparation to annealing the rolls.
• Ideal as a heat reflective wrap along or over insulations, applied to tubes, engine
support structures, missile ground handling equipment, or as a protector from other
heat source areas such as hot areas in steel mills.
• Good holding, splicing, patching or general protecting tape on many applications
involving high temperatures.
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.
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
Unless stated otherwise in 3M’s product literature, packaging inserts or product packaging for individual
products, 3M warrants that each 3M product meets the applicable specifications at the time 3M ships the
product. Individual products may have additional or different warranties as stated on product literature,
package inserts or product packages. 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 application. If the 3M product is defective within the
warranty period, your exclusive remedy and 3M’s and seller’s sole obligation will be, at 3M’s option, to
replace the product or refund the purchase price.
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: 2000
3
This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001: 2000 standards.
Industrial Business
Industrial Adhesives and Tapes Division
3M Center, Building 21-1W-10, 900 Bush Avenue
St. Paul, MN 55144-1000
800-362-3550 • 877-369-2923 (fax)
www.3M.com/industrial
Recycled Paper
40% pre-consumer
10% post-consumer
Printed in U.S.A.
©3M 70-0709-5014-5
(2001
/
7/05)
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