Blown Grade Bitumen is widely used in pipe coating, manufacture of roofing felts, damp-proof course, sealant (eg. battery), electric cable protection, joint filling
compounds and many others. 
  • Durability 
  • Water Resistant 
  • Flexibility 
  • Chemical Stability 
 
 
 Characteristic BT10/20 BT85/25 BT85/40 BT115/15

METHOD 

Relative density at
25 g/cm
1.00-1.06 
1.00-1.06 
1.00-1.05 
1.01-1.06 
 ASTM D70 
Softening point (Ring and Ball),
   90   
   80-90 
   80-90 
 110-120 
 ASTM D36/
BS2000 : Part 58 
Penetration at 
25 , 100g , 5sec (0.1mm) 
   10-20
   20-30 
   35-45 
   10-20 
 ASTM D5/ 
BS2000 : Part 49 
Flash point (Cleveland Open Cup), min,
  200
  200
  200
  200
ASTM D92/ BS4689 : 1980 
Loss on heating, % by mass, max
  0.5 
  0.2
  0.5
  0.2
 ASTM D6/ 
BS2000 : Part 45
Solubility in 1.1.1 trichloroethane % wt. min. 
  99  
  99  
   99  
   99
 BS2000: Part 47 
 

APPLICATION  
Blown Grade Bitumen shall be broken up into small pieces and heated slowly to the application temperature of  220  to 250  and should not be heated to a temperature exceeding  270 .  

PACKING 
Blown Grade Bitumen will be supplied in one of the following forms :  
a) In cylindrical moulded cake form of approximately 130kg each. 
b) In steel drums of 209 litres size. 
c) In suitable containers as agreed by the purchaser.  

 

1) Cable Joint 
2) Synthetic Primer 
3) Concrete Joint  
4) Bituminous Paint 

NOTE:  Catalogue, Test Report and Material Safety Data Sheet will be given upon request.

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