
Specification of bitumen enamel grade A,B and C
Test |
Requirement |
Test Method |
||
Grade A |
Grade B |
Grade C |
||
Filler content , by ignition |
25-35 |
25-35 |
45-55 |
BS 4147:App. B |
Density @ 25°C, g/cm3 |
1.2-1.4 |
1.2-1.4 |
1.4-1.65 |
BS 4147 |
Soft ening Point (ring &ball), |
100-120 |
115-130 |
120-150 |
BS 2000 part 58 |
Penetration@25°C, 10-1mm |
10-20 |
5-17 |
5-15 |
BS 2000: part 49 |
Flash Point (Cleveland open cup), |
250 |
260 |
260 |
BS 4689 |
Sa g, max, min @60°C, 24h @75°C, 24h |
Max. 1.5 - |
- Max.1.5 |
- Max. 1.5 |
BS 4147: App. E - |
Bend @ 0°C, |
min 20 |
min 15 |
min 10 |
BS 4147:
App. F |
Peel initial& delayed, Max; mm @30°C @40°C @50°C @60°C |
3.0 3.0 3.0 3.0 |
3.0 3.0 3.0 3.0 |
- 3.0 3.0 3.0 |
BS 4147:
- - - - |
Impact, disbanded |
BS 4147: App. G |