the regular grades of bitumen producing in Iran are two grades which are grade 60-70 and 85-100. The specification of these two grades is as following
Packing: bitumen will be packed in corrugated newly steel drums painted in black with two type of drums mentioning in following
1- Normal drums;
High: about 98cm,
Diameter: 50 cm,
Drum's cap size: 10 cm,
thickness of drums: 0.6mm (JIS)
GW: 190 +/- 3 KGS
NW: 180 +/-3 KGS
2- Small drums;
High: about 87cm,
Diameter: 50 cm,
Drum's cap size: 10 cm,
thickness of drums: 0.6mm (JIS)
GW: 160 +/- 3
NW: 180 +/-3 KGS
|
SPECIFICATIONS |
GRADE 85/100 |
GRADE 60/70 |
|
SPECIFIC GRAVITY AT 25 DEG |
1.00/1.05 |
1.01/1.06 |
|
PENETRATION AT 25 DEG C |
85/100 |
60/70 |
|
SOFTENING POINT (DEG C) |
45/52 |
49/56 |
|
DUCTILITY AT 25 DEG C(CM) |
100MIN |
100MIN |
|
LOSS OF HEATING (PCT WT) |
0.5 MAX |
0.2 MAX |
|
DROP IN PENETRATION AFTER HEATING (PCT) |
20% MAX |
20% MAX |
|
FLASH POINT ( DEG C) |
225 MIN |
250 MIN |
|
SOLUBILITY IN CS2 (PCT.WT) |
99.5 MIN |
99.5 MIN |
|
Spot Test |
Negative |
Negative |
|
WAX CONTENT |
MAX 2.0 |
MAX 2.0 |