2.5. Effect of fuel
Effect of fuel has been carried out specifically for testing the effect
of fuels on polymeric materials. The samples in triplicates
were weighed to nearest mg (M1). They were then transferred to
flask 2/3 filled with fuel A (commercial gasoline). Heating has been
carried out at 100 C for 22 h. After that, the flask is allowed to cool
at room temperature. The samples were then blotted lightly with
filter paper to remove the remaining liquid fuel. They were then reweighed
again (M2) .The percentage change in weight was then
calculated using the following equation: