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Home / DOT Specifications / Georgia / 2021 Standard Specifications / 868
Division 800 — Materials

868Adhesive for Raised Pavement Markers

GA · 2021 Standard Specifications✓ Full text on BuildSpecBook pages 1673–1675 Save this section

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SECTION 868 — Adhesive for Raised Pavement Markers

868.1General Description

This section includes the requirements for hot-melt adhesive used to place raised pavement markers. 868.1.01 Related References

A.Standard Specifications
SECTION 106 — Control of Materials
B.Referenced Documents

AASHTO ASTM T 48 T 49 T 53 T 202 C 430 D 70 D 92 D 792 D 1754 D 1796 D 1856 D 2240 D 2669 D 2712 D 3407 D 4797 NTPEP Committee Work Plan for Evaluation of Pavement Markers and Adhesives (RPM-15)

868.2Materials

868.2.01 Bituminous Adhesive

A.Requirements
1.Adhesive
a.Use an adhesive made of asphaltic material and a homogeneously mixed filler that meets the following

physical requirements:

b.Adhesive Properties: Use the asphaltic material with filler.

Min. Max. Test Method Softening point 200 °F (95 °C) — AASHTO T 53 Penetration, mm 3.5 oz (100 g), 5 sec., 77 °F (25 °C) 10 20 AASHTO T 49 Flow — 0.2 in (5 mm) ASTM D 3407 Viscosity, 400 °F (204 °C) — 60 Poises (6.0 Pa-s) ASTM D 2669 Flash point, C.O.C. 550 °F (285 °C) — AASHTO T 48 Min. Max. Test Method Penetration, mm 3.5 oz (100 g), 5 sec., 77 °F (25 °C) 25 — AASHTO T 49 Viscosity, 275 °F (135 °C) 12 Poises (1.2 Pa-s) — AASHTO T 202 Viscosity ratio, 275 °F (135 °C) — 2.2 ASTM D 1754 & ASTM D 70 1663 1663 1663

SECTION 868 — Adhesive for Raised Pavement Markers

Min. Max. Test Method Filler content, percent by weight 50 70 ASTM D 1796 Filler fineness, percent passing No. 325 (45 µm) No. 200 (75 µm) No. 100 (150 µm) 75 95 100 ASTM C 430 – Using sieves shown.

c.Certification: Submit a certification from the manufacturer that includes the physical properties of the

bituminous adhesives and that the material conforms with this specification, as stated in Subsection

106.05, Materials Certification

d.Participation in the National Transportation Product Evaluation Program (NTPEP) evaluation for standard

(non-plowable), snow plowable, temporary and chip seal raised pavement markers and adhesives. • Pavement Markers Adhesives shall meet the requirements and testing criteria for the NTPEP evaluation of adhesives. • Submit to the Office of Materials & Testing (OMAT) a letter of certification from the adhesive manufacturer indicating testing was conducted by NTPEP.

2.Packaging and Labeling
a.Pack the adhesive in a self-releasing cardboard container of approximately 10 in. (250 mm) that can be

stacked properly.

b.Fill the containers with two 30 lbs. (13.5 kg) cubes that have a net weight of 60 lbs. (27 kg).
c.Put the manufacturer, quantity, and batch number on the label.
d.Print “Bituminous Adhesive for Pavement Markers” on the label.

868.2.02 Thermoplastic Adhesive

A.Requirements
1.Adhesive

Use an adhesive made of thermoplastic material and a homogeneously mixed filler that meets the following physical requirements:

a.Adhesive Properties

Minimum Maximum Test Method Binder Content 25% 35% ASTM D 4797 Filler Content 65% 75% ASTM D 4797 Softening Point 194°F (90 °C) 212 °F (100 °C) AASHTO T 53 Specific Gravity 1.7 2.0 ASTM D 792 Shore Hardness 115 °F (46°C) 0 20 ASTM D 2240 Flash Point 500°F (260 °C) - ASTM D 92 1664 1664 1664

SECTION 868 — Adhesive for Raised Pavement Markers
b.Certification: Submit a certification from the manufacturer that includes the physical properties of the

adhesives and that the material conforms with this specification, as stated in Subsection 106.05, Materials Certification.

c.Participation in the National Transportation Product Evaluation Program (NTPEP) evaluation for standard

(non-plowable), snow plowable, temporary and chip seal raised pavement markers and adhesives. • Pavement Markers Adhesives shall meet the requirements and testing criteria for the NTPEP evaluation of adhesives. • Submit to the Office of Materials & Testing (OMAT) a letter of certification from the adhesive manufacturer indicting testing was conducted by NTPEP.

2.Packaging and Labeling
a.Pack the adhesive in a self-releasing cardboard container or meltable bag.
b.Put the manufacturer, quantity, and batch number on the label.
c.Print “Thermoplastic Adhesive for Pavement Markers” on the label.

868.2.03 Pavement Marker Adhesive

A.Fabrication

General Provisions 101 through 150.

B.Acceptance for Adhesives
1.Acceptance is based on the certification furnished by the manufacturer that includes the physical properties of

the adhesives.

2.The physical properties of the adhesive shall meet the requirements listed in applicable table shown in the

specification.

3.The Department will reject any adhesive if it meets all requirements of this specification but fails in actual use.
C.Materials Warranty

General Provisions 101 through 150. 1665 1665 1665

Referenced in this section
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Source: Standard Specifications for Construction of Transportation Systems, 2021 Edition. Pages 1673–1675 of 2,050. View official source ↗
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