What does a 60 70 grade bitumen indicate?
What does a 60 70 grade bitumen indicate?
A grade of 60/70 bitumen means the penetration value is in the range 60 to 70 at standard test conditions which usually used as a Paving Grade. Bitumen 60/70 is applicable for the production of asphalt pavements with superior properties and for construction and maintenance of roads.
What is bitumen a 70?
Bitumen Penetration Grade 70/100 is a standard penetration grade Bitumen usually used as a Paving Grade Bitumen suitable for road construction and for the production of asphalt pavements with superior properties. This grade of Bitumen is mainly used in the manufacture of hot mix asphalt for bases and wearing courses.
Which bitumen grade is best?
Bitumen VG30 is the most widely used type of bitumen in road construction, insulation, building construction industries, and also in the production of cutback bitumen. It’s better to know that this vg30 bitumen can be used instead of 60/70 penetration bitumen grade. VG 30 bitumen is a popular grade of bitumen in India.
What is bitumen specification?
Bitumen Grade 80/100
| Criteria | Specfication | Test Method |
|---|---|---|
| Loss on Heating (WT%) | 0.5 Max | D6 |
| Flash Point (°C) | 225 Min | D92 |
| Solubility in CS2 (WT%) | 99.5 Min | D4 |
| Drop in penetration after heating % | 20 Max | D6 & D5 |
What is a 60-70 grade?
Description of Bitumen 60/70. Bitumen penetration grade 60/70 is semi-hard penetration grade bitumen using as paving grade bitumen suitable for road construction and repair conjointly for the production of asphalt pavements with below technical specifications.
What is the softening point of bitumen 60 to 70 grade?
between 49 to 56 °C
Some of these items are more important for suppliers of bitumen 60/60 and their customers. These are softening point and flashpoint. According to ASTM D36 method, the softening point of bitumen 60/70 is between 49 to 56 °C and the flash point of bitumen 60/70 is 250 °C.
What is the difference between bitumen 60 70 and 80 100?
The Difference between Bitumen 60/70 and 80/100 The main difference between 60/70 and 80/100 is their penetration value. To decide between 60/70 vs bitumen 80/100, we should consider the fact that bitumen penetration 80/100 is softer than bitumen 60/70. For this reason, bitumen 80/100 is used at cold temperatures.
What grade is a 60-70?
| Percent | Letter Grade |
|---|---|
| 70 – 72 | C- |
| 67 – 69 | D+ |
| 63 – 66 | D |
| 60 – 62 | D- |
What is the penetration value of bitumen 60 / 70?
As you can see in the above range, bitumen 60/70 is a moderate type of pen grade bitumen. In bitumen 60/70 the numbers 60 and 70 mean that the penetration value of bitumen is between 60 and 70 mm. The quality of bitumen 60/70 depends on its physical properties and specifications.
Which is the best grade of bitumen for paving?
This grade’s full name is bitumen penetration grade 60/70 and is one of the most widely used grade of bitumen across the world. Bitumen 60/70, which is also called the paving grade bitumen, works well in almost every application. Since this grade of bitumen is suitable for road construction in a wide range of temperatures (from -22 to +76).
Why is bitumen 60 / 70 used in South East Africa?
Bitumen 60/70 is a popular grade in India and South East African countries, since its quality is acceptable and price is not too high. By extending the performance of final asphalt and treating the cracks in the time of maintenance, bitumen 60/70 is known as a cost-effective solution that reduces the expenses, without affecting the quality.