The most
important parameter is oxides of calcium which was lower in GRP
waste powder as compared to Portland cement and the specific
surface area of GRP waste was higher by about 34% over cement.
The ground GRP waste sample comprised about 95% powder and
about 5% fibre (w/w). The GRP waste powder sample had a wide
particle size ranging from 0.02 micrometre to 600 micrometre