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Medium-Temperature Additive
Medium-temperature additive is a key material in the warm mix asphalt paving method, enabling the production and application of asphalt materials without changes in mechanical properties even at reduced production temperatures (30-50°C). It reduces petroleum consumption and lowers greenhouse gas and carbon emissions.
Effects of Medium-Temperature Additive
- Energy Savings
- Energy savings by reducing production temperature by 30°C (equivalent to planting 60 million pine trees annually)
- Reduction of Harmful Gas Emissions
- Reduction in odors, smoke, and fine dust / Improved working environment
- Reduced Construction Time
- Reduced social costs / Early traffic reopening (ideal for maintenance and repair work)
- Improved Construction Quality
- Enhanced workability and compaction / Improved moisture resistance and anti-stripping effect
Fuel Consumption Comparison
(Per Ton of Asphalt Mixture)
(Per Ton of Asphalt Mixture)
Comparison of Carbon Dioxide Emissions
(Per Ton of Asphalt Mixture)
(Per Ton of Asphalt Mixture)
Key Performance of Medium-Temperature Modified Additive
SBS Polymer
(Styrene-Butadiene-Styrene Polymer)
(Styrene-Butadiene-Styrene Polymer)
Maintains asphalt high-temperature grade and elasticity
Anti-Stripping Agent
Improves moisture resistance
Medium-Temperature Additive
Medium-temperature effect (easy temperature control)
Low-Temperature Improvement Additive
Enhances low-temperature properties
Specifications for Medium-Temperature Additive
| Analysis Items | Test Method | Results | |
|---|---|---|---|
| Appearance | Visual | Light Brown | |
| Specific Gravity | 15℃ / 4℃ | KS M ISO 3675 | 0.94 - 0.96 |
| Pour Point | 40℃(㎟/s) | KS M ISO 3104 | 100 or Higher |
| 100℃(㎟/s) | 10 or Higher | ||
| Flash Point | (℃) | KS M ISO 2592 | 235 or Higher |
| Kinematic Viscosity | (℃) | KS M ISO 3016 | -30 or Lower |
Processing Steps for Warm Mix Asphalt Concrete (WMA)
Asphalt Production or Recycled Asphalt Collection
Mixing with Medium-Temperature Additive
Production below 130°C
Warm Mix Asphalt Concrete (WMA)
Quality Standards for Warm Mix Asphalt
| Items | Grades of Warm Mix Asphalt | ||
|---|---|---|---|
| W64 | W70 | W76 | |
| Performance Grade (PG 64-22 after mixing with asphalt) | PG 64-22 | PG 70-22 | PG 76-22 |
| Dissolution Time (minutes) at Standard Mixing Temperature in Mix Design | 5 or Lower | 5 or Lower | 20 or Lower |
| Maximum Mixing Temperature (℃) During Mix Design | 130 | 135 | 140 |
| Maximum Compaction Temperature (℃) During Mix Design | 115 | 120 | 125 |
| Degree of Compaction | 1 or Lower | ||
(Guidelines for Asphalt Concrete Pavement Construction by the Ministry of Land, Infrastructure and Transport)
Company
A-ONE Emulsion Co.,Ltd.
Owner
Shim Sung-Hoon
Business License
180-86-00159
E-mail
a-onebitu@hanmail.net
- Headquarters Address in Ulsan
- 9-10, Jeomchon 6-gil, Beomseo-eup, Ulju-gun, Ulsan Metropolitan City, 201ho, South Korea. Tel +82-52-269-7877 Fax +82-52-700-7879
- Gyeongju Factory Address
- 153, Naengcheonjenae Industrial Complex-gil, Oedong-eup, Gyeongju, Gyeongsangbuk-do, South Korea Tel +82-54-771-1450~2 Fax +82-54-771-1455
- Seoul/Gyeonggi Branch Address
- 1403, 26, Ori-ro 876beon-gil, Cheolsan-dong, Gwangmyeong-si, Gyeonggi-do, South Korea (Miseong Office Building 2nd Phase) Tel +82-70-4607-1699 Fax +82-52-700-7879
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