Viscosity Grade Bitumen 40
Understanding Viscosity Grade Bitumen 40
Bitumen 40 is a highly flexible grade of oxidized asphalt, derived from the extract of bitumen 60. Characterized by its softness and high softening point, it is ideally packed in steel drums for storage and transportation. This type of asphalt offers exceptional stability, particularly during hot weather conditions and movements, making it a valuable choice for road construction projects. Its flexibility ensures durability and resilience, contributing to the longevity and performance of asphalt surfaces in various environmental conditions.
Applications:
The uses of bitumen 40 are diverse, serving various purposes in construction, engineering, and manufacturing. Here’s how it is commonly utilized:
- Underground Moisture Waterproofing: Bitumen 40 is utilized for underground moisture waterproofing works, providing an effective barrier against water infiltration in underground structures and foundations.
- Industrial Applications: It finds application in nuclear power engineering and pipeline engineering for bottom anti-corrosion purposes. Additionally, it is employed in the production of asphalt for various industrial needs.
- Production of Waterproofing Materials: Bitumen 40 is utilized in the manufacturing of waterproofing membranes and moisture-proof papers, ensuring reliable protection against moisture ingress in various applications.
- Anti-Corrosion Paint and Waterproof Production: Its properties make it suitable for incorporation into anti-corrosion paints and waterproofing materials, enhancing durability and resistance to environmental elements.
- Road and Bridge Caulking: Bitumen 40 is employed for road and bridge caulking, providing a flexible and durable sealant for filling gaps and joints, thereby improving the structural integrity and longevity of road and bridge surfaces.
These applications highlight the versatility and effectiveness of bitumen 40 across a range of construction, engineering, and manufacturing projects, making it a valuable material in various industries.
Datasheet of Viscosity Grade Bitumen 40
| Technical indicators | 40 |
| Penetration (25 ° C, 100 g, 5 s) / (0.1 mm) | 10-35 |
| The ductility (25 ° C, 5 cm / min) / cm is not less than | 2.5 |
| Softening point (ball method) / ℃ not less than | 75 |
| Solubility (trichloroethylene) /% is not less than | 99.5 |
| Evaporation loss (163 ° C, 5 h) /% no more than | 1 |
| After evaporation, the penetration ratio (25 ℃) /% is not less than | 65 |
| Flashpoint (open cup) / ℃ not less than | 230 |
| Brittle / ℃ | report |
| Specification | Unit | Value | Test Method |
| Absolute Viscosity, at 60 ◦C | Poise | Min 3200 | ASTM D4402 |
| Kinematic Viscosity, at 135 ◦C | CST | Min 400 | ASTM D2170 |
| Flash Point | ◦C | Min 220 | ASTM D93 |
| Solubility in Trichloroethylene | %wt | Min 99 | ASTM D2042 |
| Penetration Value, at 25 ◦C | 0.1mm | 40-60 | ASTM D5 |
| Softening Point | ◦C | Min 25 | ASTM D36 |
| Thin-Film Oven Test (TFOT) | |||
| Viscosity Ratio, at 60 ◦C | ◦C | Max 4 | ASTM D4402 |
| Ductility at 25 ◦C, after thin film oven test | cm | Min 25 | ASTM D113 |