... filling, and imported polymer additive in proper proportion. When being used, the grout can be mixed to paste after ... the joints of wall bricks in swimming pool. After being used, it has exquisite and slippery texture, fresh ... grout shall be used within 1 hour after being stirred. 3. Use rubber knife to push down ... , the longer time is needed. 5. Only when the grout is rigidified, the residual grout on ...