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All goods supplied strictly conform to the respective specifications of ASTM, AASHTO and BS and other international specifications. The professional staffs are working in our Quality/Quantity control department and we have a well established laboratory to maintain the standard specifications of the products. And also issuing certificate for each shipment going to the customers

 

 

Specification for Asphalt Cement

AASHTO M 20 - 70


Penetration Grade
40-50 60-70 85-100 125-150 200-300
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
Penetration at 25C (77F) 100g, 5 Sec 40 50 60 70 85 100 120 150 200 300
Flash Point, Cleveland Open Cup 450 ... 450 ... 450 ... 425 ... 350 ...
Ductility at 25C (77F) 5cm, per min cm 100 ... 100 ... 100 ... 100 ... 100 ...
Solubility in trichloroehtylene percent 99 ... 99 ... 99 ... 99 ... 99 ...
Thin-Film oven test, 1/8 in. (3.2 mm), 163C (325F) 5 hour  
Loss on Heating ... 0.8 ... 0.8 ... 1.0 ... 1.3 ... 1.5
Penetration, of residue, percent of original 58 ... 54 ... 50 ... 46 ... 40 ...
Ductility of residue at 25C (77F) 5 cm. per min. ,cm ... ... 50 ... 75 ... 100 ... 100 ...
Spot test (when and as specified (See Note 1) with) :  
Standard naphtha solvent Negative for all grades
Naphtha-xylene solvent, percent xylene Negative for all grades
Heptane-xylene solvent, percent xylene Negative for all grades

 

Properties of oxidized grade bitumens

   

Property Test : Method Technically Identical with

                     Grade

75/30 85/25 85/40 95/25 105/35 115/15
Softening point C          (min) BS 2000 : IP 58 70 80 80 90 100 110
                                     (max) Part 58   80 90 90 100 110 120
Penetration at 25C BS 2000 : ASTM D5-86 30 5 25 5 40   5 25 5 35 5 15 5
  Part 49 IP 49            
Loss on heating 5 h at 163C BS 2000 : IP 45            
Los by mass %            (max) Part 45   0.2 0.2 0.5 0.2 0.5 0.2
Solubility in trichloroethylene BS 2000 : IP 47            
% by mass                   (min) Part 47   99.5 99.5 99.5 99.5 99.5 99.5

 

 

Properties of hard grade bitumens

 

Property Test : Method Technically Identical with Grade
H 80 / 90 H 100 / 120

Softening point C          (min)

BS 2000 : Part 58 IP 58 80 100
                                     (max)

 

 

90 120
Penetration at 25C BS 2000 : Part 49 ASTM D5-86 6 2
 

 

IP 49 12 10
Loss on heating for 5 h at 163C BS 2000 : Part 45 IP 45

 

 
Los by mass %            (max)

 

 

0.05 0.05
Solubility in trichloroethylene

BS 2000 : Part 47

IP 47

 

 

% by mass                   (min)     99.5 99.5

 

 

 

Requirements and Typical Applications for Cationic Emulsified Asphalt

 

Type...................

   Rapid-Setting

     Medium-Setting

Slow-Setting

Grade...................

CRS-1

CRS-2

CMS-2

CMS-2h

CSS-1    

CSS-1h

min. max. min. max. min. max. min. max. min. max. min. max.
Test on Emulsions :                        
Viscosity, Saybolt Furol at 77F (25C)                

20

100

20

100

Viscosity, Saybolt Furol at 122F (50C)

20

100

100

400

50

450

50

450

       
Storage stability test 240\-h. %   1   1   1   1   1   1
Classification Test Passes Passes                
Coating Ability and water resistance :                        
Coating. dry aggregate        

Good

Good

       
Coating. After spraying         Fair

Fair

       
Coating. wet aggregate        

Fair

Fair

       
Coating. After spraying         Fair

Fair

       
Particle charge test

Positive

Positive

Positive

Positive

Positive

Positive
Sieve Test. %  

0.10

 

0.10

 

0.10

 

0.10

 

0.10

 

0.10

Cement mixing test %                  

2.0

 

2.0

Distillation :                        
Oil Distillate, by volume of emulsion, %  

3

 

3

 

12

 

12

       
Residue, %

60

 

65

 

65

 

65

 

57

 

57

 
Tests on residue from distillation test :                        
Penetration, 77F(25C), 100g, 5s

100

250

100

250

100

250

40

90

100

250

40

90

Ductility, 77F (25C), 5cm/min. cm

40

 

40

 

40

 

40

 

40

 

40

 
Solubility in trichloroethylene

97.5

 

97.5

 

97.5

 

97.5

 

97.5

 

97.5

 
Typical Applications

Surface treatment, penetration macadam, sand seal coat, tack coat, mulch

Surface treatment, penetration macadam, coarse aggregate seal coat (single and multiple) cold plant mix, coarse aggregate seal coat (single & multiple). crack treatment, road mix, tack coat, sand seal coat cold plant mix, hot plant mix,  coarse aggregate seal coat (single & multiple). crack treatment, road mix, tack coat, cold plant mix, road mix, slurry seal coat, tack coat, fog seal, dust layer, mulch