Because the fibers are small and flexible nature can be easily compacted. Fibers are arranged well. Low Gap And can also be distributed as well. As a result, the amount of surface area contact between the fiber cement and sand to rise. The friction increases. There are adhesion between the fiber cement and sand to increase. When the beams rupture cement, sand and crevices. It can absorb more energy and thus have the ability to get the leftover balances have also risen.
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