Because in the process of producing plaster line by using plaster line mold, after the plaster line is initially set and demoulded, the surface of plaster image will blister, which seriously damages the appearance of plaster line. Why is this happening? It is because gypsum powder and water will generate a lot of heat in the process of mixing, and there is air between gypsum slurry and gypsum slurry when gypsum slurry is poured into gypsum line mold, which will appear this phenomenon.

Many gypsum line manufacturers will blister or have pores in the process of producing gypsum lines.

First of all, after pouring the first layer of gypsum mixed liquid with water, it should be wiped evenly continuously, so that gypsum slurry can be completely attached to the mold, and gypsum powder mixed liquid can be uniformly attached to the mold wall.

Then, the mold should be vibrated, and of course, it can be tapped gently to make the gypsum slurry better fit the mold wall and drive away the air to avoid this phenomenon.