DRK Infratech

Cationic Bitumen Emulsions

STARMAC CATIONIC MEDIUM SETTING - CMS

This high quality material makes it possible to fill potholes or carry out patch repair with open graded cold premix made on-site. The methods typically used for the repair of potholes using asphalt emulsions are throw-and-roll and full-depth removal and replacement. All these methods involve placing cold mix in the pothole with a shovel and compacting it with a truck tire, vibratory plate compactor or steel wheeled roller.

SPECIFICATIONS

Residue on 600 microns IS sieve % by mass Max 0.05%
Viscosity @ 500 C (Saybolt), sec 50 - 300
Storage stability after 24 hours, % Max 1
Binder - Residue by evaporation % Min. 65%
Setting Time 30 minutes


STARMAC CATIONIC RAPID SETTING 1 - CRS1

Tack coat application is a light spray of Bitumen Emulsion, which may be hand or machine sprayed. It is used to ensure a good bond between an old and a new bituminous surfacing layer. It is normally applied very thin and evenly over the entire suface.

SPECIFICATIONS

Residue on 600 microns IS sieve % by mass Max 0.05%
Viscosity @ 500 C (Saybolt), sec 20 - 100
Storage stability after 24 hours, % Max 2
Binder - Residue by evaporation % Min. 60%
Setting Time 20 to 50mins


STARMAC CATIONIC RAPID SETTING 2 - CRS2

It consists of application in one or two coats, each consisting of a layer of bituminous binder sprayed on a previously prepared base, followed by a cover of stone chips rolled into form a wearing course. RS-2 type cationic Bitumen Emulsion is ideal for surface dressing on the shoulders and for protection of freshly laid base course. Typical rate of application for two coat surface dressing as per(MORT&H) CLAUSE 510.2 IS 28-32KG/10SQ.M.

SPECIFICATIONS

Residue on 600 microns IS sieve % by mass Max 0.05%
Viscosity @ 500 C (Saybolt), sec 100 - 300
Storage stability after 24 hours, % Max 1
Binder - Residue by evaporation % Min. 67%
Coagulation at low temperature NIL


STARMAC CATIONIC SLOW SETTING 1 - CSS1

This is an absorptive surface material (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.

SPECIFICATIONS

Residue on 600 microns IS sieve % by mass Max 0.05%
Viscosity @ 250 C (Saybolt), sec 20 - 100
Storage stability after 24 hours, % Max 2
Binder - Residue by evaporation % Min. 50%
Appearance Black in Colour


STARMAC CATIONIC SLOW SETTING 2 - CSS2

Used as a prime coat, this absorptive surface material is designed to penetrate, bond and stabilize the existing surface and to promote adhesion between it and the construction course that follows. Recommended rate of application is 6 to 9 kg per 10 sq.m.

SPECIFICATIONS

Residue on 600 microns IS sieve % by mass Max 0.05%
Viscosity @ 250 C (Saybolt), sec 30 - 150
Storage stability after 24 hours, % Max 2
Binder - Residue by evaporation % Min. 60%
Setting Time 60mins


SI. NO. Characteristics RS-1 RS-2 MS SS-1 SS-2 METHOD OF TEST- IS No.
1 Residue on 600 microns, IS sieve, % by mass, Max 0.05 0.05 0.05 0.05 0.05 IS 8887 Annexure -B
2a Viscosity by saybolt Furol Viscometer, sec. At 250 C - - - 20 - 100 30-150 IS 3117
2b Viscosity by saybolt Furol Viscometer, sec. At 500 C 20 - 100 1000 - 300 50 - 300 - - IS 3117
3 Coagulation of emulsion at low temperature Nil Nil Nil Nil Nil IS 8887 Annexure -C
4 Storage stability after 24 hours, percent, Max 2 1 1 2 2 IS 8887 Annexure -D
5 Particle charge +ve +ve +ve weak +ve +ve IS 8887 Annexure -E
6 Coating ability and water resistance            
6a Dry aggregates - - Good - - IS 8887 Annexure -F
6b After spraying - - Fair - - IS 8887 Annexure -F
6c Wet aggregates - - Fair - - IS 8887 Annexure -F
6d After spraying - - Fair - - IS 8887 Annexure -F
7 Stability to mixing with cement, (percentage coagulation), Max - - - 2 2 IS 8887 Annexure -G
8 Miscibility No Coagulaion - No Coagulaion IS 8887 Annexure -H
9 Tests on Residue            
9a Residue by evaporation, percent Min. 60 67 65 50 60 IS 8887 Annexure -J
9b Penetration at 250 C / 100g / 5sec 80-150 80-150 60-150 60-350 60-120 IS 1203
9c Ductility at 270 C / cm, Min. 50 50 50 50 50 IS 1208
9d Solubility in Tri-chloro-ethylene, percent by means Min 98 98 98 98 98 IS 1216
10 Distillation in %, by volume at            
10a 1900 C - - - 20-55 - -
10b 2250 C - - - 30-75 - -
10c 2600 C - - - 40-90 - -
10d 3150 C - - - 60-100 - -
11 Water content, % by mass. Max. - - - 20 - -


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