... by alkaline resistant glue. It has fine alkaline-resistant, high strength, etc. As an ideal engineering material in construction, it is ... mainly used to reinforce cement, stone, wall materials, roofing, bitumen, gypsum, waterpoof and so on.Our high quality ability:1 ... ) Coating enough alkaline resistant glue and keep 60% - 80% strength after testing in Naoh 28 days later3) Made by C-glass or ...