Slow Setting Bitumen Emulsion
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SLOW SETTING BITUMEN EMULSION SS
Break is sufficiently slow to allow mixing with aggregate containing fine material of relatively high surface area. Slow setting emulsion is further sub divided into SS-1 and SS-2 types.
BITUMEN EMULSION SS 1:
KEY FEATURES:•Invert emulsion used for prime coat and fog spray OBJECTIVES:•To coat and bond loose mineral particles on the surface of the base course |
APPLICATION:
Cationic bitumen emulsion to an absorptive surface (like low to medium high Porosity Wet Mix Macadam or Water Bound Macadam), designed to penetrate, plug the capillary voids in the surface, bond and stabilize the existing surface and to promote adhesion between it and the construction course that follows. The pavements having inadequate priming of Wet Mix Macadam/Water Bound Macadam may have lesser life due to non-achievement of properties, as mentioned above.
ADVANTAGES:
•Superior penetration into miniature pores of sub bases
•Easy spray
•Extended breaking
•Penetrate the cracks & crevices and impart strength to the layers
•Low temperature curing
•Prevents permeability of atmospheric air to the bottom layers
•High adhesive properties
•Binds loose aggregates together strongly
•Prevents raveling and rutting
•Water resistant and enhances easy drainage of water
•Compatible with Portland cement
TECHNICAL SPECIFICATION:
Key Properties as per IS 8887:2004
PROPERTY / SPECIFICATION |
LIMITS |
Residue on 600 micron IS sieve (% by mass), max | 0.05 |
Viscosity @ 25 0C (saybolt), sec | 20-100 |
Storage stability after 24 hours, % max | 2 |
Binder-residue by evaporation, % min | 50 |
Distillation (% by volume) • At 190 0C • At 260 0C • At 225 0C • At 315 0C |
20-55 30-75 |
PRODUCT APPLICATION:
Application rate as per MORTH specifications:
APPLICATION |
QUANTITY IN KG / 10 SQM AREA |
Prime coat • Low porosity • Medium porosity • High porosity |
6 to 9 9 to 12 12 to 15 |
Fog spray | 5 - 10 |