SPECIFICATION OF BITUMEN ENAMEL
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 |
|
Softening 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 | |||
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