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For Road Paint & Highway Safety

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thermoplastic.jpg (22810 bytes) Thermoplastic Road Markings
Manufactured to
AASHTO M 249-79 Specifications

 

White: 10% Titanium Dioxide /30% REF
Yellow: 30% Reflective


COMPOSITION OF MARKING MATERIAL

SN Component Specification Results
White Yellow White Yellow
1 BINDER CONTENT 18 Min 18 Min 19.2 19.1
2 SOLID GLASS BEADS 30-40 30-40 32 31
3 TITANIUM DIOXIDE 10(Min) - 10.2  
4 CALCIUM CARBONATE INNERT FILLER & YELLOW PIGMENTS 42 Max - 38.6 See note of AASHTOM249-79 (1990)


PHYSICAL CHARACTERISTICS: (Typical Laboratory Analysis)

SN TEST REQUIREMENTS AASHTO M249 Spec'n TYPICAL RESULTS
WHITE YELLOW
1 Softening Point after heating for 4 hrs @ 218°C 102.5+9.5°C 108°C 107°C
2 Specific Gravity 2.15 Max 1.99 GM/CC 1.98 GM/CC
3 Flash Point C.O.C.* - 240°C+ 240°C+
4 Day Light Reflectance after 4hrs heat @ 218°C & cooled @ 25°C + 2°C i) 75% min-white
ii) 45% min-yellow		 79% 53%
5 Drying Time @ air temp 10+2°C
                @ air temp 32+2°C		 2 min (Max)
10 min (Max)		 1.0 min
4.5 min		 1.0 min
4.0 min
6 Bond Strenght 180 PSI (Min) 280 PSI 260 PSI
7 Cracking Resistance (Low temp) No Crack No Crack No Crack
8 Impact Resistance 10 in/lb (Min) 18 in/lb 17 in/lb
9 Flowability.- % Residue 21% Max 13% 12%
10 Flowability after extended heating 28% Max 18% 17%

*Flash Point carried out as a routine test to ensure safe handling and melting during pre-heater and spraying operation.


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Last modified: November 15, 1999
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