Tradelinks FZC
Bitumen pen grade 40/50
Typical Specifications of Bitumen pen grade 40/50 are given below in line with specifications of ASTM or AASHTO. The Product will be packed in clean, rust free steel drums of size as required by the buyer.
S.No Technical Specification Test Results
Minimum Maximum
1   Penetration at 25oC (100 gms in 5 secs) 40 50
2   Ductility at 25oC ( at specified rate 5cm per min) min breaking length (in cm) 100  
3   Flash Point ,oC 232  
4   Specific Gravity 1.001 1.06
5   Softening Point Deg C 45 52
6   Solubility in in Trichloroethylene, ( purity in percent) 99  
7   Performance when subjected to the (Thin film oven test or rolling thin   oven  test)    
7.1   Loss of mass on heating from the original in percent   0.8
7.2   Penetration of the residue (percent from the original) 58  
7.3   Ductility of residue at 25oC at the specific rate of 5cm per minute. The   minimum     breaking length in cm 50  
8   Spot Test for standard solvent Negative