Ceramic tile adhesive problem, in the ceramic tile adhesive, polyvinyl alcohol can't put more? Why?
The effect of adding cellulose or polyvinyl alcohol in cement sand is a little different, but basically the same. In general, water can be reduced to a certain extent in order to preserve water and improve flowability. Cement to avoid bleeding phenomenon in solidification process, but also increase the strength of cement.
It is recommended that the amount of polyvinyl alcohol is added as little as possible, and of course, how much is related to the whole process.
Maximum 3-5%. Polyvinyl alcohol just provides strength, one of the early embryo and then sintered in the sintering process of polyvinyl alcohol to all burned, so if adding too much, when the decomposition of the exhaust gas will cause stomatal tile too much, even a crack.
