|
Technical Requirements of Bitumen Emulsion (Cationic Type) IS:
8887:2004 (Clauses 4.2 and 6.2) |
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|---|---|---|---|---|---|---|---|
| Sr No. | Characteristics | Grade of Emulsion | |||||
| RS-1 | RS-2 | MS | SS-1 | SS-2/ SLURRY SEAL |
Test | ||
| 1 | Residue on 600 micron IS Sieve, Percent By Mass, Max |
0.05 | 0.05 | 0.05 | 0.05 | 0.05 | IS: 8887 Annex B |
| 2 | Viscosity by saybolt furol viscometer, seconds |
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| (a) 25°C | – | – | – | 20-100 | 30-150 | IS: 3117 | |
| (b) 25°C | 20-100 | 100-300 | 50-300 | – | – | ||
| 3 | *1) Coagulation of emulsion at low temperature |
Nil | Nil | Nil | Nil | Nil | IS: 8887 Annex C |
| 4 | Storage stability after 24
hrs, percent Max |
2 | 1 | 1 | 2 | 2 | IS: 8887 Annex D |
| 5 | Particle charge | Positive | Positive | Positive | Weak | Positive | IS: 8887 Annex E |
| 6 | Coating ability and water resistance: |
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| (a) Coating dry aggregate | – | – | Good | – | – | IS: 8887 Annex F | |
| (b) Coating after spraying | – | – | Fair | – | – | IS: 8887 Annex F | |
| (c) Coating wet aggregate | – | – | Fair | – | – | IS: 8887 Annex F | |
| (d) Coating after spraying | – | – | Fair | – | – | IS: 8887 Annex F | |
| 7 | Stability to mixing with
cement (Percentage Congulation) Max. |
– | – | – | 2 | 2 | IS: 8887 Annex G |
| 8 | Miscibility with water | No Coagulation | No Coagulation | No Coagulation | – | No Coagulation | IS: 8887 Annex H |
| 9 | Test on residue: | ||||||
| (a) Residue by evaporation percent Min. | 60 | 67 | 65 | 50 | 60 | S: 8887 Annex J | |
| (b) Penetration 25°C/100g/5sec/1/10mm. | 80-150 | 80-150 | 60-150 | 60-350 | 60-120 | IS: 1203 | |
| (c) Ductility 27°C/cm Min. | 50 | 50 | 50 | 50 | 50 | IS: 1208 | |
| (d) Solubility: in trichloroethylene Min. % | 98 | 98 | 98 | 98 | 98 | IS: 1216 | |
| 10 | Distillation percent, by volume at: |
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| (1)190°C | – | – | – | 20-55 | – | ||
| (2)225°C | – | – | – | 30-75 | – | ||
| (3)260°C | – | – | – | 40-90 | – | ||
| (4)315°C | – | – | – | 60-100 | – | ||
| 11 | Water content, percent by mass, Max |
– | – | – | 20 | – | |
|
Technical Requirements of Bitumen Emulsion (Cationic Type) ASTM D 2397 |
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|---|---|---|---|---|---|---|---|
| Sr No. | Test Parameters | Grade of Emulsion | |||||
| CRS-1 | CRS-2 | CMS-2 | CMS-2h | CSS-1 | CSS-1h | ||
| 1 | Viscosity by saybolt furol viscometer, second |
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| (a) 25°C | – | – | – | – | 20-100 | 20-100 | |
| (b) 50°C | 20-100 | 100-400 | 50-450 | 50-450 | – | – | |
| 2 | Storage stability after 24
hrs. percent Max |
1 | 1 | 1 | 1 | 1 | 1 |
| 3 | Particle charge | Positive | Positive | Positive | Positive | Positive | Positive |
| 4 | Sieve Test. % Max. | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
| 5 | Cement Mixing Test. % Max. | – | – | – | – | 2.0 | 2.0 |
| 6 | Coating ability and water resistance: |
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| (a) Coating dry aggregate | – | – | Good | Good | – | – | |
| (b) Coating after spraying | – | – | Fair | Fair | – | – | |
| (c) Coating wet aggregate | – | – | Fair | Fair | – | – | |
| (d) Coating after spraying | – | – | Fair | Fair | – | – | |
| 7 | Test on residue: | ||||||
| (a) Penetration 25°C/100g/5 sec/dmm | 100-250 | 100-250 | 100-250 | 40-90 | 100-250 | 40-90 | |
| (b) Ductility 27°C/cm Min. | 40 | 40 | 40 | 40 | 40 | 40 | |
| (c) Solubility: in trichloroethylene Min. % | 97.5 | 97.5 | 97.5 | 97.5 | 97.5 | 97.5 | |
| 8 | Distillation | ||||||
| (1) Oil distillate by volume of emulsion, %, Max | 03 | 03 | 12 | 12 | – | – | |
| (2) Residue, %, Min. | 60 | 65 | 65 | 65 | 57 | 57 | |