BPR-203 Railway Bridge Agent
Brief Introduction:
1. "Yuhong" BPR-203 modified bitumen substrate treatment agent for railway bridge
2. A kind of waterproof material made by modified high-quality petroleum asphalt, various macromolecule material compound modifier and organic solvent
Physical Properties:
| No. | Item | Index |
| 1 | Solid content(%) | ≥30 |
| 2 | Drying time(h) | ≤2 |
| 3 | Heat resistance degree(80℃ ,5h) | No slipping, bubbling, flowing |
| 4 | Flexibility degree at low temperature(-5℃,φ10mm stick) | No crack |
| 3 | Adhesive strength(MPa,20℃ ) | ≥0.8 |