The initial weight of the test specimens were recorded using a
Setra weight balance (±0.1 mg) after they were post cured in an
oven for 5 h at 45 ◦C. Upon this, 5–6 specimens (for each solution)
were immersed in different solutions namely; water, salt water,
diesel, petrol and engine oil for a period of three years at monitored
room temperature (30±5 ◦C). The average kinematic viscosities of
the solutions used are presented in Table 1 (i.e. all kinematic viscosities
measurements were taken at room temperature of 30±5 ◦C).