Heavy and Light Naphtha Properties and Specifications
1. Heavy Naphtha
Density 0.715-0.780
Color Saybolt +30
RVP @ F Kg/cm2 0.08-0.10
Sulphur 0.33-0.49
Distillation (Deg C)
IBP 95-98
10% 104-106
50% 115-117
90% 140-144
FBP 164-167
Nitrogen <0.5
Lead nil
Paraffins 48.97-49.74
Olefins nil
Naphthene 34.89-35.45
Aromatics 15.37-15.78
Benzene 0.2-0.3
Lot size: 30kt
Frequency: every 45-60 days
2. 50/50 Heavy and Light Naphtha
Heavy naphtha
n+a - 42% min
olefins - 1% max
RVP psi - 8.5 max
FBP - 205 degree centigrade max
sulphur - 0.06% wt max
Light naphtha
FBP - 135 degree centigrade max
Olefins - 0.5% vol
Paraffins - 79% vol
Aromatics - 3% vol
RVP psi - 13 max
Colour - 30