hpmc to solutions of blistering putty
Wall pre-treatment: If the vapour bubble is particularly serious at the top of the prefabricated moulding wall, wet water treatment can be carried out first to allow the water to be absorbed and the air to be expelled. After drying, seal the interface, then level the bottom of the plaster and finally scrape the putty, the vapour bubble will be much better.
10. The function of putty is not to be too thick, but to be precise. Putty is more of a surface finish and can be used as a decorative layer.
Pay attention to the weather during construction, avoid construction if the air humidity reaches above 75% and the water content of the wall reaches above 10%.
Landcel produces a wide range of HPMC viscosities to suit different requirements for the addition of putty powders. Please enquire if you have a requirement!