3
Polyester Tape
854
Technical Data
Product Description
3M? Polyester Tape 854 is an oqaque, cream-colored polyester tape with excellent
chemical resistance in precious metal plating, especially gold.
Product Construction
Backing
Polyester
Adhesive
Rubber
Color
Cream
Standard Roll Length
72 yds. (66 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 at Break:
Elongation at Break:
Backing Thickness:
Total Tape Thickness:
Water Vapor Transmission Rate:
59 oz./in. width (64 N/100 mm)
29 lbs./in. width (509 N/100 mm)
123%
1.0 mil (0.03 mm)
2.7 mils (0.065 mm)
1.6 gms H 2 O/100 sq. in./24 hrs.
(24.8 g/m 2 24 h)
D-3330
D-3759
D-3759
D-3652
D-3652
Features
Application Ideas
? Polyester film backing imparts excellent chemical and thermal stability.
? Remains flexible at -60°F (-50°C) and retains dimensional stability up to 300°F
(149°C).
? Resists many solvents typically found in photographic, electroplating and
chemical milling processes. Note: Hot caustics will weaken the backing after
prolonged immersion.
? Extended periods of exposure to elevated temperatures or outdoor conditions will
cause an increase in bond strength. During this exposure, however, the film can
become brittle and lose its tensile strength.
? Roll stability is excellent up to one year.
? Chemical resistance in precious metal plating, especially gold.
? Protection in sodium hydroxide etching of aluminum.
? Protection of substrates during chemical milling.
? General splicing.
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