|
Cutback Bitumen MC 70
The cutback bitumen is homogeneous and will not foam (as observed visually) when heated to application temperature. The various grades of cutback bitumen (medium curing type) conform to requirements prescribed below :
MS 159 : 1994
Specification for cutback Bitumen for use in the Construction And / or maintenance of Pavement
(First Revision)
REQUIREMENTS FOR CUTBACK BITUMEN (MEDIUM-CURING TYPE) FOR USE IN PAVEMENT CONSTRUCTION AND / OR MAINTENANCE
| Properties |
Min |
Max |
Test Method |
| Kinemalic 1 viscosity at 60°C, eSt |
70 |
140 |
ASTM D2170 |
| Flash Point (Tag Open-Cup),°C |
38 |
- |
ASTM D1310 |
| Distillate test 2 : |
|
|
|
| Distillate, percent by Volume of total 360°C |
| To 190°C |
- |
10 |
ASTM D402 |
| To 225°C |
20 |
55 |
ASTM D402 |
| To 260°C |
40 |
80 |
ASTM D402 |
| To 316°C |
75 |
95 |
ASTM D402 |
| Residue from distillation to 360°C, percent volume by different |
Test on residue from distillation Penetration at
25°C,100g, 5 sec. |
55 |
- |
|
| Ductility 3 at 25°C, cm |
120 |
250 |
ASTM D402 / ASTM D113 |
| Solubility in trichloroethylene, percent mass |
100 |
- |
ASTM D402 / ASTM D2024 |
| Water, percent volume |
- |
0.2 |
ASTM D95 |
USES
Priming of all non-bituminous road buses, provision of temporary surfaces (deviations).
APPLICATION RATE
From 0.6 litre per m² to 1.2 litre per m²
SPRAYING/ALICATION TEMPERATURE
60-80˚ C
CONVERSION
| At Application Temperature |
Drums@20˚C |
| Kg to Litre : Divide by 0.0907 |
Kg to Litre 0.940 |
| Litre to Kg : Multiply by 0.0907 |
Litre to Kg 0.940 |
CLEANING OF HANDS & TOOLS
Use paraffin
|
