How to determine penetration grade of bitumen + comparison
The hardness or softness of bitumen is an important characteristic that can be determined by its penetration grade. This trait also affects bitumen’s resistance under traffic load and at specific temperatures. In simple terms, bitumen penetration grade indicates how soft or hard a bitumen product is. If you would like to learn more about the […]
- 30 June 2024
- Iranetrade SEO team
- 9 دقیقه