Datasheet
Surface Preparation
IPA:Water
Clean
Fine
Abrade
3M™ Adhesion
Promoter 111
3M™ Tape
Primer 94
Bare aluminum 9.9 13.7 20.2 –
Anodized aluminum 13.4 13.3 21.4 –
Bare steel 7.9 13.7 19.0 –
Galvanized steel 9.7 13.3 20.3 –
Stainless steel 11.8 14.4 20.5 –
White acrylic paint 5.1 12.1 13.5 –
Clear epoxy paint 7.7 12.4 20.5 –
Clear acrylic paint 10.0 14.8 21.1 –
Kynar paint 6.0 10.0 11.7 –
CARC paint 12.9 – 18.8 19.6
Fiberglass reinforced plastic 6.4 10.2 21.2 –
Bumpy FRP roofing 7.7
20.4 –
Gloss gelcoat FRP 7.4 13.6 15.9 19.4
ABS 2.4 10.7 12.2 20.4
Clear acrylic 4.0 7.8 3.7 20.8
Nylon 6/6 12.8 12.1 21.4 20.9
Clear polycarbonate 3.0 10.0 8.3 20.8
Polyester 6.3 – 22.3 22.3
Polypropylene 3.4 5.1 3.5 1.6
PP based composite roofing 5.0 6.5 10.9 21.3
Black PVC 9.3 10.7 14.1 21.2
Vinyl house siding 7.8 10.0 18.3 21.0
Flexible vinyl roofing 6.6 – – 18.8
Rigid TPO roofing 5.4 – – 17.1
Glass* 8.1 – 16.6* –
4412N Ionomer film 14.2 – 21.2 –
3M
TM
Extreme Sealing Tape
4412N
Application
Guidelines
Depending
on
the
surfaces
to
be
sealed,
one
of
three
basic
surface
preparations
will
be
required:
1)
Good
cleaning
with
a
50:50
mixture
of
isopropyl
alcohol*
and
water
to
remove
contaminants;
2)
Fine
abrading
with
a
180x
grit
or
finer
abrasive
followed
by
good
cleaning
with
a
50:50
mixture
of
isopropyl
alcohol*
and
water;
or
3)
Good
cleaning
with
a
50:50
mixture
of
isopropyl
alcohol*
and
water
followed
by
application
of
an
adhesion
promoter
or
primer.
Ideal
tape
application
is
accomplished
when
temperature
is
between
70°
and
100°F
(21°
and
38°C)
and
the
bond
is
allowed
to
dwell
24
hours.
Tape
application
to
surfaces
at
temperatures
below
50°F
(10°C)
is
generally
not
recommended.
Once
properly
applied,
low
temperature
holding
is
generally
satisfactory.
With
the
protective
release
liner
still
attached
to
the
tape,
apply
tape
by
hand
using
light
hand
pressure.
If
applying
the
tape
over
a
“step”
or
ridge,
use
a
thin
plastic
tool
to
press
the
tape
tightly
into
the
corners
of
adjoining
surfaces
and
around
other
irregularities.
Using
a
soft
roller,
such
as
a
medium
nap
paint
roller,
apply
medium
pressure
to
conform
tape
on
contours,
seam
edges,
rivets,
or
screw
heads.
Peel
off
the
protective
release
liner.
To
optimize
adherence
and
conformance
to
uneven
surfaces,
a
final
tape
roll
down
should
be
done
after
the
non-stretchy,
release
liner
has
been
removed.
As
an
extra
measure
of
sealing
insurance,
a
very
small
dab
of
3M™
4000UV
Hybrid
Adhesive
Sealant
Fast
Cure
should
be
used
at
the
end of any cut length
of
3M™
Extreme
Sealing
Tape
4412N
where
the
tape
is
sealing
over
an
irregular
surface.
*Note:
Consult
manufacturer’s
directions
for
use
and
precautions
when
using
cleaning
solvents.
This
cleaning
recommendation
may
not
be
compliant
with
the
rules
of
certain
Air
Quality
Management
Districts
in
California;
consult
applicable
rules
before
use.
90 Degree Peel
Adhesion Strength
(lbs/in tape width)
*
For
long
term
durability
on
glass,
use
3M™
Silane
Glass
Treatment
AP115
instead
of
3M™
Adhesion
Promoter
111
.
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