| Introduction： Traffic engineering inspection center of Ministry of Transport Science Research Institute
Inspection report
White thermoplastic road marking paint
|
|
Technical requestment |
Test result |
|
Test value |
Single conclusion |
|
Density(g/cm3) |
1.8 - 2.3 |
2 |
qualified |
|
Softening (℃) |
90~125 |
98 |
qualified |
|
Coating appearance
|
After coating curing, the film should be no wrinkles, no spots, no blster, no crack, no fall off and no stick phenomena, film color and appearance compared with pattern should be have no big difference |
Meet the requestment |
qualified |
|
Cure time (min) |
|
3 |
qualified |
|
|
White |
Chromaticity coordinate (x,y) |
(0.350,0.360);(0.300,0.310);
(0.290,0.320);(0.340,0.370) |
x:0.324
y:0.343 |
qualified |
|
Luminance factor |
>/= 0.75 |
0.78 |
qualified |
|
Compression strength (Mpa) |
>/= 12 |
15 |
qualified |
|
Anti-watering |
Immersed in water for 24 hours should be no abnormal phenomenon |
Meet the requestment |
qualified |
|
Anti-alkali |
Immersed in calcium hydroxide saturated solution for 24 hours should be no abnormal phenomenon |
Meet the requestment |
qualified |
|
Glass beads content(%) |
18 - 25 |
19 |
qualified |
|
|
35+/- 10 |
40 |
qualified |
|
Abrasion Performance / mg (200r/1000g reduce weight) |
|
60 |
qualified |
|
Coating crack resistance at low temperature |
Keeping 4 hours in -10℃& indoor temperature as a loop, continue doing this for 3 loops should have no crack |
Meet the requestment |
qualified |
|
Heating stability |
Keeping 4 hours in the mixing state under the 200 ℃ to 220 ℃,should be no obvious phenomenon such as yellowing , coking and caking |
Meet the requestment |
qualified |
|
