open time

  1. Alex

    The open time of tile adhesive cannot pass 20 minutes, please analyze the formula below

    Cement 280，coal ash 70， graded sand 635， cellulose ether 2.5 Starch ether 0.5， early strength agent 4， redispersible polymer powder 8 Water addition 24.5%， temperature 27℃， humidity 55% The formula is as above: the original strength is 1.5, the freeze-thaw strength is 1.0, but the open time is...
Back
Top