Physical properties of the product
| Appearance | Transparent light yellow hemispherical granular solid |
| Resin properties | brittle |
| Average molecular weight | 1000～1700 |
| Softening point | 90℃～120℃ (ball and ball method) |
| Flash point | 245℃ |
| Specific gravity | 0.95～0.99 |
| Solubility in benzene | completely soluble |
| Solubility in gasoline | completely soluble |
| Melt viscosity | 160～260CPS (200℃) |
Chemical properties of the product
The chemical properties of C5 petroleum resin are relatively stable, but the color will gradually become darker if left in the air for a long time
Product quality standards and analysis methods.
|
NO |
Analysis Project | Control indicators | Analytical method | standard |
|
1 |
Appearance |
Transparent light yellow hemispherical granular solid | Visual inspection |
|
|
2 |
Softening Point |
90℃～120℃ |
Universal law |
GB2294 |
|
3 |
Acid value |
＜ 1(mgKOH/g) |
titration |
GB2895 |
|
4 |
Chroma | (in 50% toluene) 3-8 | Colorimetry |
GB120071 |
|
5 |
Iodine value |
165±25(mgI2/100mg) |
iodometric method |
TL03839-78 |
|
6 |
Ash |
＜0.1% (Wt) |
gravimetric method |
GB2295 |
|
7 |
Melt viscosity |
150～260CPS(200℃) |
Viscometer |
|
|
8 |
Number average molecular weight |
1000～1700 |
gel chromatography |
|
|
9 |
Solubility in benzene | Totally dissolved | Visual inspection |
|
|
10 |
Solubility in gasoline | Totally dissolved | Visual inspection |
|
Main uses of the product
C5 petroleum resin is widely used in hot-melt road marking paint, colored asphalt, hot-melt pressure-sensitive adhesive, EVA hot-melt adhesive, rubber tackifier, ink and other industries.
This project adopts domestic advanced separation and polymerization processes and automated control systems. The C5 petroleum resin produced has very few unsaturated double bonds and heterocyclic rings in its molecular structure, making the product of high quality.
As a special resin for road marking paint, this product has the following outstanding features
1. Light color;
2. Good leveling properties;
3. High wear resistance;
4. Fast drying speed;
5. Good thermal stability;
6. Other properties such as The filler is evenly dispersed, does not settle, has good weather resistance and strong adhesion, etc.
It is precisely because of the above characteristics that high-quality refined carbonate petroleum resin has gained great development space with the rapid development of my country's highways.
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