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High Temperature Aluminum
Foil Tape
433 •433L (Linered)
Technical Data
Product Description 3M™ High Temperature Aluminum F oil Tape 433 has a silicone adhesiv e that can be
used in many high temperature applications. Also comes in an easy-release film liner.
Product Construction
Backing Adhesive Color Liner (3M tape 433L) Standard Roll Length
Aluminum f oil Silicone Shiny silv er Clear, easy- 60 yds. (55 m)
(Allo y 1100-0) (clear) release film
Features • Flame resistant – meets requirements of F.A.R. 25.853(a).
• 3M™ High Temperature Aluminum F oil Tape 433L can easily be die-cut into
special sizes or shapes.
• Best results obtained when applied to a clean surface abo v e 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 ov er 600°F (-54°C to over 316°C). Adhesiv e will
gradually thermoset at high temperatures. As it thermosets, the adhesi v e mass
becomes fi rm and gradually loses its pressure sensiti vity b ut will continue to hold the
tape in place.
Typical Ph ysical
Properties ASTM Test Method
Adhesion to Steel: 3M tape 433 40 oz./in. width (43.8 N/100 mm) D-3330
3M tape 433L 38 oz./in. width (42.0 N/100 mm) D-3330
Tensile Strength: 20 lbs./in. width (350 N/100 mm) D-3759
Elongation at Break: 3.5% D-3759
Backing Thickness: 2.0 mils (0.05 mm) D-3652
Total Tape Thickness: 3M tape 433 3.6 mils (0.09 mm) D-3652
3M tape 433L 3.5 mils (0.09 mm) D-3652
Liner Thickness: 3M tape 433L 2 .9 mils (0.07 mm) D-3652
Water Vapor 0.1 gms H2O/100 sq. in./24 hrs.
Transmission Rate: (1.55 g/m2/24 hrs.)
Temperature Use Range: D-3833
Permanent Appl. -65° to 600°F (-54° to 316°C)
Removable Appl. -65° to 375°F (-54° to 190°C)
W eight: 0.0096 lbs./yd./in. width (.0049 kg/m/24 mm)
Note: The follo wing technical information and data should be considered representative
or typical only and should not be used for specification purposes.
3M™High Temperatur e Aluminum F oil Tape
433 • 433L (Linered)
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.
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.
Product Use
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, CUST OM 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.
Warranty and
Limited Remedy
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.
Limitation of Liability
This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001:2000 standards.
ISO 9001:2000
Printed in U.S .A.
©3M 70-0709-5014-5 (2001/7/05)
Recycled Paper
40% pr e-consumer
10% post-consumer
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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
A pplication Ideas • Moisture barrier around doors and windo ws to help prevent fogging of glass.
• Seal for automoti v e air bag inflators.
• To hold insulation on hot air ducts in industry.
• Cov er resistance wire heating elements to distribute the heat.
• Splice jumbo rolls of aluminum foil or holding the last lap of narro w width rolls in
preparation to annealing the rolls.
• Ideal as a heat reflecti v e 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.
