740 PAVEMENT MARKING MATERIAL
740.01 General. Permanent pavement marking
materials that meet the requirements of this specification and that have passed
the service test required by Supplement 1047 are included on
the Approved List maintained by
the Office of Materials Management
(OMM). OMM may retest
pavement marking materials pre-qualified by a service test to determine
formulation compliance to pre-qualified material and compliance with physical
properties specified herein. Certified test data and samples will be
furnished by the manufacturer to OMM. Failure
of testing or certified test data to show formulation conforming to
pre-qualified material or compliance with specified physical properties may be
cause for removal of the material from the Approved List.
Ensure
that the marking material is delivered in containers that are clearly marked to
indicate the number of gallons (liters), weight or size of material, material
density (weight per unit volume), material color, batch number or other similar
manufacturer’s identification, date of production, and the company name and
address.
740.02 Traffic Paint. Furnish white and yellow
ready-mixed traffic paint suitable for marking various types of
pavement. Furnish paint that is a suitable binder for glass beads, 740.09 Type A, on pavement
exposed to traffic. Furnish paint that will not deteriorate in storage,
within one year after date of receipt, to the extent that it cannot be readily
broken up with a paddle to a smooth uniform paint capable of easy application
by spray.
Furnish
paint that does not bleed or discolor when sprayed on asphalt concrete surfaces.
Type
1 paint is the fast dry, water-based, 100 percent
acrylic type.
Type
1A paint is fast dry, water-based, 100 percent acrylic type, used for cold
weather applications.
Ensure
that Type 1A paint conforms to the following requirements:
Property |
Test Method |
Requirements |
Total Solids |
70% minimum by weight |
|
58% minimum by volume |
||
Titanium Dioxide, rutile type II |
1 lb/gal (120 g/l) minimum, White 0.2 lb/gal (24 g/l) minimum,
Yellow |
|
Pigment % by Weight |
+/- 2% of qualifying sample |
|
Weight per Gallon |
+/- 0.3 lb/gal (36 g/L) of
qualifying sample |
|
Color |
Appendix A |
|
Viscosity (krebs units) |
70 minimum and 95 maximum @ 77 °F (25 °C) |
|
Lab Drying Time |
10 minutes max. @ 77 °F (25 °C), 50% RH 12 minutes max. @ 50 °F (10 °C), 50% RH 14 minutes max. @ 35 °F (1.7 °C), 50% RH |
Prequalify
materials according to Supplement 1047. Use materials
certified according to Supplement 1089. Furnish materials
according to the Department’s Approved List.
740.03 Polyester Pavement Marking. Ensure
that the polyester pavement marking material supplied is a two part polyester
system capable of being applied at ambient temperature down to 50 °F (10
°C). Ensure that the material is capable of retaining reflective glass
beads, 740.09 Type B, after application.
Ensure
that the catalytic component of the system is the commercially available type
recommended by the manufacturer of the polyester.
Ensure
that the ratio of the catalyst to resin is specified by the manufacturer.
Ensure
that the polyester conforms to the following requirements:
|
|
Minimum |
Maximum |
1. |
Consistency, Krebs units ASTM D562, Procedure A |
70 |
90 |
2. |
Field Dry Time (No Track), minutes |
-- |
45 |
|
Furnish pavement marking material that will be in “no
tracking condition” in 45 minutes. The “no tracking condition” will be determined
by applying the markings and beads at the specification requirements to dry
pavements at a low temperature of 50 °F (10 °C) and high temperature of 120
°F (49 °C). Run tests at the manufacturer’s highest and lowest
recommended application humidity. The marking materials will be applied
at the manufacturer’s recommended application temperature. The “no
tracking” time will be determined by passing over the line with a passenger
car at a speed of 25 to 35 mph (44 to 55 kmph) in a
simulated passing maneuver. A line showing no visual deposition of the
material to the pavement surface when viewed at a distance of 50 ft (15 m) will be considered as showing “no tracking” and
conforming to this requirement for time to “no track”. |
||
3. |
Prime Pigment Content, percent by weight of paint |
|
|
|
White ASTM D1394 |
13.9 |
-- |
|
Yellow ASTM D126 or Department approved lab method |
13.8 |
-- |
4. |
Pigment Content, percent by weight of paint ASTM D2698 |
|
|
|
White |
-- |
40 |
|
Yellow |
-- |
41 |
5. |
Nonvolatile Vehicle Solids Content, percent by weight of
paint FED STD 141C, Method 4053.1 |
|
|
|
White |
31 |
-- |
|
Yellow |
29 |
-- |
6. |
Fineness of Dispersion, ASTM D1210 micrometers |
50 |
-- |
7. |
Bleeding Ratio, Fed. Std. TT-P-115F, Section 4.3.2 |
|
|
|
White |
0.93 |
-- |
|
Yellow |
0.92 |
-- |
8. |
Color: |
|
|
|
a. White, Daylight Directional Reflectance, ASTM E1347 |
85 |
-- |
|
b. Yellow 1. Refer to Highway Yellow Color Tolerance Chart PR
Color No. 1, June, 1965 U.S. Dept. of Transportation, FHWA: Yellow,
Color Difference 595-33538, ASTM D 2244 |
50 |
-- |
|
i. Measure E, L, a, b as Cielab,
Source “C” |
|
|
|
L |
+0.75 |
+1.0 |
|
a |
+0.9 |
+1.7 |
|
b |
+4.4 |
+5.1 |
9. |
Dry Opacity, ASTM D 2805 at 0.005 wet |
0.97 |
-- |
10. |
Condition in container, Fed Std
141 No 3011.2, |
|
5 |
Prequalify
materials according to Supplement 1047. Use materials
certified according to Supplement 1089. Furnish
materials according to the Department’s Approved List.
740.04 Thermoplastic Pavement Marking. Furnish
thermoplastic pavement marking material formulated expressly for use as retroreflective pavement markings on asphalt concrete or
Portland cement concrete pavement. Furnish material that includes a
mixture of Alkyd resins-19% minimum by weight at least one of which is solid at
room temperature, and contains premixed glass beads 740.09 Type C, 30% minimum
by weight, with a 1.50 minimum index of refraction. Ensure that the
ingredients are well mixed so that all parts are evenly dispersed throughout.
Ensure that there are no foreign objects, skins, dirt, or such ingredients that
would cause staining, discoloration, or bleeding. Furnish suitable
materials for application in molten form by extrusion method. Ensure that
the material is capable of retaining reflective glass beads, 740.09 Type C,
after application.
A. Specific Gravity. Ensure that the thermoplastic compound has a
specific gravity of 1.6 to 2.3 at 77 °F (25 °C) ASTM D 792.
B. Flowability. Meet percent residue requirements according to
1. AASHTO M 249, Section 4.3.6 and
2. AASHTO M 249,
Section 4.3.8
C. Drying Time. AASHTO M249, section 4.3.2.
D. Field Placement Stability. After proper application and drying time,
ensure that the material is not tacky and does not have an appreciable
deformation or discoloration when subjected to typical vehicular traffic, and
in air or road temperatures between ‑30 and 140 °F (-34 and 60 °C).
Ensure that when the material is properly applied that it forms markings of a
constant cross-section with a uniform density and character. Ensure that
the markings maintain their original shape and pavement position.
E. Ring and ball Softening Point. Furnish a material that has a softening point
of not less than 190 °F (88 °C) when tested according to ASTM E 28.
F. Impact Resistance. AASHTO M 249, section 4.3.4
G. Pigment Content. Furnish yellow material containing a minimum of 5
percent by weight of primary yellow (lead chromate) pigment (or a lead free
pigment) (measured according to ASTM D 126 or Department approved lab method).
Furnish white material containing a minimum of 10 percent Titanium
Dioxide-Rutile Type -2 by weight of white pigment.
|
Minimum |
Maximum |
a. White, Daylight Directional Reflectance, ASTM E 1347 |
75 |
-- |
b. Yellow 1. Refer to Highway Yellow Color Tolerance Chart PR Color
No. 1, June, 1965 U.S. Dept. of Transportation, FHWA: Yellow, Color
Difference 595-13538, ASTM D 2244 |
50 |
-- |
Measure E, L, a, b as Cielab,
Source “C” |
|
|
L |
+0.75 |
+1.0 |
a |
+0.9 |
+1.7 |
b |
+4.4 |
+5.1 |
I. Yellowness Index, AASHTO M 249, section 4.3.7
Prequalify
materials according to Supplement 1047. Use materials
certified according to Supplement 1089. Furnish
materials according to the Department’s Approved List.
740.05 Preformed Pavement Marking. Furnish
the preformed material suitable for retroreflective
pavement markings on asphalt concrete or portland
cement concrete pavement. Furnish material that is free of cracks and
that has edges that are straight, true, and unbroken. Ensure that the
material is flexible, formable, and suitable for application with an adhesive
without heating. Furnish material containing glass beads uniformly
distributed throughout with a 1.50 minimum index of refraction. Ensure
that the material has a uniform surface layer of firmly bonded glass beads to
provide the initial minimum specific luminance values specified for the various
types of material.
Furnish
material that resists deterioration by contact with highway deicing chemicals
or because of the oil content of asphalt concrete pavement, or from oil
droppings and other effects of traffic.
A. Type A1 Material. Furnish Type A1 material conforming to ASTM D 4505, Level 1, Classes 2 or 3, and
that have a thickness of not less than 0.090 inch (2.28 mm), including any
pre-coated adhesive layer.
B. Type A2 Material. Furnish Type A2 material conforming to ASTM D 4505, Level 1, Classes 2 or 3, , and that
have a thickness of not less than 0.060 inch (1.52 mm), including any
pre-coated adhesive layer.
C. Type A3 Material. Furnish Type A3 material conforming to ASTM D 4505, Level 1, Classes 2 or 3, skid
resistance level A, and that have a minimum thickness at the thinnest portion
of the cross-section of not less than 0.020 inch (0.50 mm), including any
pre-coated adhesive layer.
Prequalify
materials according to Supplement 1047. Use materials
certified according to Supplement 1089. Furnish
materials according to the Department’s Approved List.
740.06 Work Zone Pavement Marking. Furnish
work zone pavement marking material conforming to ASTM
D 4592, Type I (removable) or Type II (non-removable) with the
following modifications:
A. Type I (removable): 0.030-inch
(0.76 mm) minimum thickness.
B. Type II (non-removable):
0.015-inch (0.38 mm) minimum thickness.
Furnish
materials according to the Department’s Approved List.
740.07 Epoxy Pavement Marking Material.
Ensure that the material supplied is a 100 percent solids two-part epoxy system
capable of being applied at ambient temperature down to 50 °F (10 °C).
Furnish a slow cure material capable of retaining reflective glass beads 740.09
type D, after application.
Furnish epoxy
conforming to the following requirements:
A. Formulation. Furnish epoxy formulated as a Long Life
Pavement Marking System, capable of providing a minimum of 4 years of
performance, free of any peroxides and any Tri-methyolpropane
Tri-acrylate) TMPTA and other multi-functional
monomers. Ensure that the epoxy is designed to provide simple volumetric
mixing ratio of its components (such as 2:1).
B. Epoxide Number. Ensure that the epoxide number of the epoxy
resin is the manufacturer’s target value ±0.05 as determined by ASTM D 1652 for both white and yellow Part A on a
pigment free basis.
C. Amine Number. Ensure that the amine number of the curing
agent (Part B) is the manufacturer’s target value ±50 according to ASTM D 2074 on a pigment free basis.
D. Laboratory Drying Time. Ensure that the pavement marking material, when
mixed in the proper ratio and applied at the properly prescribed wet film
thickness at 75 ± 2 °F (24 ± 0.5 °C) and with the proper saturation of
glass beads, exhibit a no tracking time of no greater than 40 to 45 minutes
when tested according to ASTM D 711.
E. Field Time to No-Track. Furnish pavement marking material that will be
in “no tracking condition” between 15 to 45 minutes. The “no tracking
condition” will be determined by applying the
markings and beads at the specification requirements to dry pavements at a low
temperature of 45 °F(7 °C) and high temperature of 120 °F (49 °C). Run
tests at the manufacturer’s highest and lowest recommended application
humidity. The marking materials will be applied at the manufacturer’s
recommended application temperature. The “no tracking” time will be determined by passing over the line with a
passenger car at a speed of 25 to 35 mph (44 to 55 kmph)
in a simulated passing maneuver. A line showing no visual deposition of
the material to the pavement surface when viewed at a distance of 50 ft (15 m) will be considered
as showing “no tracking” and conforming to this requirement for time to “no
track”. Protect the line from tracking during the
setting period by coning off or as shown on the plans.
F. Field Curing. Furnish epoxy pavement marking material capable
of fully curing at a constant surface temperature of 45 °F (7 °C) or above.
G. Hardness. Furnish epoxy pavement marking materials, when tested according
to ASTM D 2240, that have a
Shore D Hardness of between 70 and 90. Allow samples to cure at room
temperature 75 ± 2 °F (24 ± 0.5 °C) for a minimum of 24 hours and a maximum of
72 hours before performing the indicated test.
H. Certified test data. Provide a material manufacturer’s certified
test data showing the material complies with the provisions of this
specification. The provisions of a certification of compliance do not
waive a state inspection, sampling, or testing.
I. Infrared Spectra. Supply a copy of the infrared spectra of each
component on each lot number
J. Material Performance Qualifications. Ensure that the manufacturer has expertise and
performance history including: completed and passed service tests
according to Supplement 1047. ; verifiable
installations; ample production capacity; proper facility; compliance with EPA
regulations; verifiable quality control program; and has passed a minimum of 4
years of performance (durability and retroreflectivity)
on concrete or asphalt surface in the State.
K. Condition in Container. Fed Std 141 No. 3011.2 Hand stirring by spatula. 5
minutes maximum
Prequalify
materials according to Supplement 1047. Use
materials certified according to Supplement 1089. Furnish
materials according to the Department’s Approved List.
740.08 Heat-Fused Preformed Plastic Pavement Marking
Material.
Furnish heat-fused preformed plastic pavement marking materials conforming to
the following Type A, Pre-heated tape and Type
B, Post-heated tape:
Type A90 and B90 - 90 mil
thickness (2.29 mm)
Type A125 - 125 mil
thickness (3.18 mm)
Type B125 - 125 mil
thickness (3.18 mm)
Glass beads............................................................. .740.09
Use materials
certified according to Supplement 1089. Furnish materials
according to the Department’s Approved List.
A. Type A. Furnish Type A glass beads for traffic paint
conforming to Supplement 1008 and to AASHTO M 247, Type 1 without
flotation properties but dual coated (for moisture resistance and adhesion),
with the following exception: 4.6 Flotation Test.
Ensure that the glass
beads for traffic paint are packaged in bags designated “740.02”.
Use materials certified according to Supplement 1089.
B.
Type B. Furnish Type B
glass beads for polyester marking material conforming to AASHTO M 247, Type 1 with 50 ± 5
percent flotation coating and ensure that a 50 ± 5 percent moisture resistant
coating is retained on each sieve, with the following exception: 4.6
Flotation Test. Ensure that the minimum percent floating equals 90 of
flotation coated beads or 40.5 percent of total mixture.
Ensure that the glass
beads for polyester marking material are packaged in bags designated “POLY”.
Use materials
certified according to Supplement 1089.
C. Type C. Furnish
Type C glass beads for thermoplastic material meeting the following
specification.
Sieve Size |
Percent Retained |
|
|
|
No. 16 (1.18 mm) |
3 maximum |
|
Refractive Index |
1.50 to 1.60 |
No. 20 (850 µm) |
5 to 20 |
|
Roundness |
80 minimum |
No. 40 (425 µm) |
65 to 95 |
|
Coating |
Moisture resistant |
No. 50 (300 µm) |
0 to 5 |
|
|
(for drop-on beads only) |
Ensure the glass bead
packaging is clearly marked “THERMO”
Use materials
certified according to Supplement 1089.
D.
Type D. Glass beads for
Epoxy Pavement Marking.
Ensure that the glass
bead packaging clearly indicates EPOXY - SIZE I or EPOXY SIZE II.
Ensure that the glass
beads have the following gradation when tested according to Supplement 1089.
SIZE I |
|
SIZE II |
||
Sieve Size |
Percent Retained |
|
Sieve Size |
Percent Retained |
No. 10 (2.00 mm) |
0 |
|
No. 20 (850 µm) |
0 to 5 |
No. 12 (1.70 mm) |
0 to 5 |
|
No. 30 (600 µm) |
5 to 20 |
No. 14 (1.40 mm) |
5 to 20 |
|
No. 50 (300 µm) |
30 to 75 |
No. 16 (1.18 mm) |
40 to 80 |
|
No. 80 (180 µm) |
9 to 32 |
No. 18 (1.00 mm) |
10 to 40 |
|
No. 100 (150 µm) |
0 to 5 |
No. 20 (850 µm) |
0 to 5 |
|
Pan |
0 to 2 |
Pan |
0 to 2 |
|
|
|
Reflective
Media: Ensure that the glass beads are smooth, clear, free from any air
inclusions, and scratches that might affect their functions as a
retro-reflective media, and that have the characteristics listed below.
Roundness (Percent by
Weight): Ensure that not more than 20 percent of the glass beads are
irregular or fused spheroids and that at least 80 percent of the beads are true
beads.
Index of
Refraction: Ensure that the refractive index of the beads is a minimum of
1.50 as determined by the liquid immersion method at 77 °F (25 °C).
Ensure that the silica content of glass beads is not less than 60 percent.
Coating:
Furnish Size I glass beads that are coated with a silane-type
adherence coating to enhance its embedment in, and adherence to the applied
binder film. Ensure that the coated beads emit a yellow-green
fluorescence when tested by the Dansyl Chloride test procedure.
Furnish Size II glass beads that are treated with a moisture-proof
coating. Ensure that both types of glass beads show no tendency to absorb
moisture in storage and remain free of clusters and lumps. Ensure that
they flow freely from the dispensing equipment at any time when surface and
atmosphere conditions are satisfactory for marking operations.
Determine the
moisture-resistance of the glass beads on the basis of the following test:
Place 2.2 pounds (1
kg) of beads in a washed cotton bag, having a thread count of 50 per square
inch (8/cm2) (warp and woof) and immerse the bag in a container of
water for 30 seconds. Remove the bag and force the excess water from the
sample by squeezing the bag. Suspend and allow them to drain for two
hours at room temperature 70 to 72 °F (21 to 22 °C). After draining, mix
the sample in the bag by shaking thoroughly. Transfer a sample slowly to
a clean, dry glass funnel having a stem 4 inches (100 mm) in length, with a
3/8-inch (10 mm) inside diameter stem entrance opening, and a minimum exit
opening of 1/4 inches (6 mm). Ensure that the entire sample flows freely
through the funnel without stoppage. When first introduced to the funnel,
if the beads clog, it is permissible to tap the funnel to initiate flow.
Use materials
certified according to Supplement 1089.
740.10 Spray Thermoplastic Pavement Marking.
Furnish spray thermoplastic
pavement marking material specially formulated to be used as retroreflective pavement markings on asphalt concrete or
Portland cement concrete pavement. Furnish material that includes a mixture of
resins, at least one of which is solid at room temperature, and contains
uncoated premixed glass beads, 740.09 Type C. Ensure that the ingredients are
well mixed so that all parts are evenly dispersed throughout. Ensure that there
are no foreign objects, skins, dirt, or such ingredients that would cause
staining, discoloration, or bleeding. Furnish suitable materials for spray
application in molten form. Ensure that the material is capable of retaining
drop on reflective glass beads, 740.09 Type C, after
application.
White Yellow
Binder
25%
Min.
25% Min.
TiO2 Pigment (Type II
Rutile) 10%
Min.
*
Lead-Free Pigment (Yellow
83)
N/A **
or Leaded Pigment (Yellow
83)
N/A
Inter mixed Glass
Beads 30%
Min. (by weight) 30% Min. (by
weight)
Filler
35% Max.
42%
Max.
*amount of lead-free pigment
is at the discretion of the manufacturer, as long as all other compositional
requirements are met
**"Furnish yellow
material containing a minimum of 5 percent by weight of primary yellow (lead
chromate) pigment (measured as per ASTM D 126 or Department approved lab
method)"
B.
Binder. Furnish alkyd-based binder consisting of a mixture of synthetic resins,
at least one of which is solid at room temperature, and high boiling
plasticizers. Ensure at least one third of the binder composition is maleic
modified glycerol ester of rosin and is no less than 8 percent by weight of the
entire material formulation.
C.
Pigment. Furnish titanium dioxide pigment that is a Rutile type with a minimum
purity of 92%.
Use lead-free or leaded
Pigment Yellow 83 produced to meet the requirements of FED 595 Color No. 13538.
D.
Filler. Ensure filler to be incorporated with the resins is a white calcium
carbonate, silica, or any approved substitute. Ensure that any filler, which is
insoluble in 6N hydrochloric acid, passes a 150 μm
(No. 100) sieve.
E.
Color. Furnish white spray thermoplastic that is pure white and free from any
tint and has a minimum daylight reflectance (Y) of 75. When tested according to
ASTM D4960 and E313 the yellowness index is not
to exceed 0.15.
Visually match yellow spray
thermoplastic with FED 595 Color No. 13538. Ensure daytime reflectance (Y) is
greater than 45.
Ensure white and yellow
colors fall within the chromaticity coordinates of the color box in Appendix A of Supplement Specification 1047.
G.
Specific Gravity. Furnish spray thermoplastic material that has a specific
gravity of 1.85-2.15.
H.
Softening Point. After heating the marking compound for 4 hours ± 5 min. at
375ºF ± 3ºF (190ºC ± 2ºC) and testing in accordance with ASTM E28, ensure material has a minimum softening
point of 180ºF (82°C) as measured by the ring and ball method.
I. Bond
Strength. After heating the marking compound for 4 hours ± 5 min. at 375ºF
± 3ºF (190ºC ± 2ºC) ensure tensile bond strength exceeds 180 psi (1.24 MPa) when tested in accordance with ASTM D4796.
J.
Impact Resistance. After heating the marking compound for 4 hours ± 5 min. at
375ºF ± 3ºF (190ºC ± 2ºC) ensure impact resistance is a minimum of 50 inch
pounds (0.576 kilogram meters) when tested in accordance with ASTM D2794. Ensure no cracks or bond loss occurs
when a 0.0625 inch (1.587 mm) thick film drawdown is made at 375ºF ± 3ºF (190ºC
± 2ºC) on an unprimed sandblasted Portland cement concrete block. Test sample
with a male indentor 5/8-inch (15.875-mm) and no
female Die, at room temperature.
K.
Indentation Resistance. When tested according to ASTM D 2240 using a Shore Durometer,
Type A2, with a 2.2 pound (1 kg) load, ensure hardness is between 5 and 30
after 15 seconds of contact with the sample. Ensure durometer
and sample is at 113ºF ± 3ºF (45ºC ± 2ºC).
Prequalify materials
according to Supplement 1047. Use materials that
follow the requirements of Supplement 1089.