similar to epoxy, thermoplastic, and preformed.
**************************************************************************
2.1.1
Paints for Airfields
[FS A-A-2886] [FS TT-P-1952], color as [indicated] [selected].
2.1.2
Paints for Roads and Streets
[FS A-A-2886] [FS TT-P-1952][High Build Acrylic Coating (HBAC)]
, color
as [indicated] [selected].
2.1.3
Reflective Media for Airfields
FS TT-B-1325, Type I, gradation A.
2.1.4
Reflective Media for Roads and Streets
FS TT-B-1325, Type I, Gradation A.
2.1.5
Thermoplastic Compounds
The thermoplastic reflectorized pavement marking compound shall be extruded
or sprayed in a molten state onto a primed pavement surface. Following a
surface application of glass beads and upon cooling to normal pavement
temperatures, the marking shall be an adherent reflectorized strip of the
specified thickness and width that is capable of resisting deformation by
traffic.
2.1.5.1
Composition Requirements
The binder component shall be formulated as a hydrocarbon resin. The
pigment, beads and filler shall be uniformly dispersed in the binder resin.
The thermoplastic composition shall be free from all skins, dirt, and
foreign objects and shall comply with the following requirements:
Percent by Weight
Component
White
Yellow
Binder
17
min
17 min
Titanium dioxide
10
min
-
Glass beads
20
min
20 min
Calcium carbonate and inert fillers
49
min
*
Yellow pigments
-
*
*Amount and type of yellow pigment, calcium carbonate and inert fillers
shall be at the option of the manufacturer, providing the other composition
requirements of this specification are met.
2.1.5.2
a.
Drying time: When installed at 21 degrees C 70 degrees F and in
thicknesses between 3 and 5 mm 1/8 and 3/16 inch, the composition
shall be completely solid and shall show no damaging effect from
traffic after curing 15 minutes.
b.
Softening point: The composition shall have a softening point of
not less than 90 degrees C 194 degrees F when tested in accordance
with ASTM E 28.
SECTION 02761N
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