Introduction
Colored asphalt pavement brings aesthetic, traffic‑safety and environmental value to landscape roads, park paths, running tracks, bike lanes and pedestrian areas. Compared with conventional black bitumen pavement, colored asphalt creates attractive color zones, improves visual guidance for vehicles and pedestrians, and reduces heat absorption on sunny days.
The production process is similar to traditional black bitumen, but uses three key raw materials: crushed stone aggregate, asphalt pigment powder and decolorized asphalt oil. Below is the recommended mixing procedure and dosage reference.
Raw Materials
1, Crushed Stone Aggregate - Clean, dry crushed stone with even particle size as the main skeleton of the mixture.
2, Asphalt Pigment Powder - High‑temperature‑resistant iron‑oxide inorganic pigment (red, yellow, blue, green, gray, orange available) that provides stable color under hot‑mixing condition.
3, Decolorized Asphalt Oil - Transparent / decolorized bitumen binder that replaces black bitumen to keep the pigment color visible.
Samples From The Lab
The difference between colored asphalt and black bitumen
The process and the facility is very similar with the black bitumen.
A:The difference is about the temperature, different color, the temperature will be different.
B: At meanwhile we will use the colored pigment powder to replace the mineral powder.
C: We will use the decolorized asphalt oil instead of the black bitumen.
Recommended Mixing Method
- Preheat the crushed stone to target temperature 130‑150℃ (e.g. 130‑150℃ for blue asphalt).
- Add asphalt pigment powder at recommended dosage (about 3% by weight of stone) together with decolorized asphalt oil (about 5% by weight of stone) in proportion.
- Stir evenly and keep the temperature within 130‑150℃ during the whole mixing process to ensure uniform pigment dispersion.
- Discharge the mixed material, then spread and compact immediately to obtain the finished colored asphalt pavement.
Recommended Pigment Dosage Reference
|
Pigment Name |
Area |
Thickness |
Crushed Stone Density |
Crushed Stone Weight |
Material Addition ratio |
Material Weight |
Temperature Range |
|
Asphalt Pigment Red |
1000 |
5 |
2.35 |
117.5 |
2.50% |
2.94 |
140-170 |
|
Asphalt Pigment Yellow |
1000 |
5 |
2.35 |
117.5 |
3.00% |
3.53 |
130-150 |
|
Asphalt Pigment Green |
1000 |
5 |
2.35 |
117.5 |
3.00% |
3.53 |
130-150 |
|
Asphalt Pigment Blue |
1000 |
5 |
2.35 |
117.5 |
3.00% |
3.53 |
130-150 |
|
Asphalt Pigment Gray |
1000 |
5 |
2.35 |
117.5 |
2.50% |
2.94 |
130-150 |
|
Asphalt Pigment Orange |
1000 |
5 |
2.35 |
117.5 |
2.50% |
2.94 |
130-150 |
|
Discolored Asphalt |
1000 |
5 |
2.35 |
117.5 |
5.00% |
5.88 |
130-150 |
Note: The original page listed per‑1000kg amounts. We re‑organized them into clear columns. Dosage may be adjusted according to target color depth and local aggregate condition.
Key Benefits & Quality Tips
‑ Stable color under hot‑mixing: use high‑temperature‑resistant iron‑oxide asphalt pigment to avoid fading during 130‑150℃ mixing.
‑ Keep mixing temperature under control (130‑150℃); avoid over‑heating which may cause color shift or binder degradation.
‑ Ensure uniform dry‑mixing of pigment with aggregate before adding oil, to prevent color spots.
‑ Compaction should be completed while the mixture is still warm for a smooth, even surface.
‑ Iron‑oxide pigments offer good weather & UV resistance for long‑term outdoor pavement color retention.
Asphalt Pigment Series Available
Red ｜ Yellow ｜ Blue ｜ Green ｜ Gray ｜ Orange - Please contact us for detailed TDS and recommended grade for your colored‑asphalt project.
Discharging after Stir and Heat (Red)
Spread (Red)
Compacted (Red)
Discharging after Stir and Heat (Blue)
Spread (Blue)
Compacted (Blue)
Packaging & Loading
‑ 25kg woven bag lined with inner plastic bag, palletized
‑ 20GP container loading: about 24‑25 tons
Inquiry Now
Send your inquiry today to lucy@desonpigment.com or WhatsApp +86 138 7312 1965.
Tell us your target color and project type, we will recommend suitable asphalt pigment grade and provide TDS, MSDS and free sample.
We will reply you within 12 hours.
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