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EMULSIFIED BITUMEN

IS : 8887 : 2004 (ISI MARKED)

Bitumen Emulsion is available as Anionic,Cationic and Nonionic types. Usually, it is the type of aggregate and climate that defines what type of Bitumen Emulsion should be used. Cationic Emulsion represents more than 95% of the world Consumption today. The technology for the emulsion chemistry and type of application equipment make it the most logical class of emulsion to use, especially in case of tropical countries and countries with extreme climatic conditions. The application advantages of Cationic Bitumen Emulsion depend on coalescence of the Bitumen droplets when they contact aggregate or road surfaces. Such coalescence is called breaking.Emulsions are broadly classified according to the speed with which they break when contacted with aggregate.

RAPID SETTING EMULSION (RS}:

Break is rapid even with coarse aggregate of relatively low surface area. Rapid setting Emulsion is further sub divided into RS-1 and RS-2 types.

MEDIUM SETTING EMULSION (MS}:

Break is sufficiently slow that the emulsion can be mixed with coarse aggregate containing a high proportion of fine material.

SLOW SETTING EMULSION (SS}:

reak 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.

Technical.lRequirements of BitumenEmulsion(Cationic Type) IS:8887:2004 (Clauses 4.2 and 6.2)

 

Sr. No.
Characteristics
 Grade of Emulsion
RS-1
 RS-2
 MS
 SS-1
SS-2
1. Residue on 600 micron IS
sieve (Percent by mass) Max.
0.05
0.05
0.05
0.05
0.05
2. Viscosity by Saybolt Furol Viscometer,
Sec (a) 25°C
(b)50°C
-
20-100
-
10Q-300
-
50-300
20-100
-
30-150
-
3. *1) Coagulation of Emulsion
At low temperature 		Nil Nil Nil Nil Nil
4. Storage Stability after 24 hrs. Percent Max. 2 1 1 2 2
5. Particle Charge Positive Positive Positive Positive Positive
6. Coating ability and water resistance
(a) Coating dry aggregate
(b) Coating after spraying
(c) Coating,wet aggregate
(d) Coating after spraying
-
-
-
-
-
-
-
-
Good
Fair
Fair
Fair
-
-
-
-
-
-
-
-
7. Stability to mixing with cement
(percentage coagulation) Max.		 - - - 2 2
8. Miscibility with water No
coagulation 		No
coagulation 		No
coagulation 		- No
coagulation
9. Tests on residue:
(a) Residue by evaporation percent Min.
(b) Penetration 25°C/100g/5sec/ 1/10 mm.
(c) Ductility 25°C/cm Min.
(d) Solubility in trichloroethylene Min.%
60
80-150
50
98
67
801-150
50
98
65
60-150
50
98
50
60-350
50
98
60
60-120
50
98
10. Distillation percent,by volume at:
(1) 190°C
(2) 225°C
(3) 260°C
(4) 315°C

-
-
-
-
-
-
-
-
-
-
-
-
20-55
30-75
40-90
60-100
-
-
-
-
11. Water content, percent by mass, Max - - - 20  

*1) The requirement shall be applicable only under situations where the ambient temperature is below 15°C


Selection Criteria for PMB,NRMB and CRMB based on atmospheric temperature.

APPLICATION RAPID
SETTING		 MEDIUM
SETTING		 SLOW
SETTING
PENETRATION MACADAM   √  
PRIME COAT   √ √
TACK COAT √    
SLURRY SEAL   √ √
FOG SEAL     √
SOIL STABILISATION   √ √
SURFACE DRESSING √    
DUST BINDING     √
CRACK FILLER     √
COLD MIX   √ √
MULCH TREATMENT     √

Brij Chemicals

At Brij Chemicals, we manufacture the bitumen emulsions as per the requirement of our client that vary according to the application of bitumen and the climatic conditions.

We manufacture both anionic and cationic bitumen emulsions.

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Brij Chemicals
7 - B, Harinagar Society,
Nr. GEB Substation, Op. Anand Vidhya Vihar School
Gotri Road,
Vadodara (Gujarat)
Tel Fax : 0265 – 2345454 , 2345445
(J) 098250 45454 (S) 09825 327438 (B) 090994 45454

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