... an ideal engineering material in construction, it is mainly used to reinforce cement, stone, wall materials, roofing, bitumen, gypsum, waterpoof and ... of Fiberglass reinforced disc for grinding wheel is 76mmx17mm, 100mmx17mm, 114mmx23mm, 142mmx23mm, 177mmx23mm, 228mmx23mm, 298mmx26mm, 303mmx26, 342mmx26mm, 353mmx26mm, 396mmx33mm and etc. Every two pieces of ...