Yellow gypsum and red gypsum are used for blister molds, high strength gypsum or semi-aqueous fiber gypsum is used for plaster molds, blue gypsum or ultra resin gypsum -hard is used for dental molds and artificial stone. can also be used to make molds. More specifically, see: What mold and use.
To buy gypsum powder, you can usually buy it from the local building materials market. When purchasing high strength gypsum powder, you don't need to look for a brand as there are many varieties. gypsum powder in China, you can also find gypsum line manufacturer to make gypsum lines. The powder used can generally be used to make plaster statues, and the whiteness is between 85 and 95. Most of this powder solidifies within 5 to 8 minutes.
A manufacturer specialized in providing special gypsum powder for plaster statues and semi-aqueous fiber gypsum powder for plaster statue molds. It has a high hardness and a final setting time of 5 to 8 minutes. 8 to 20 minutes. White and meticulousness are the material of choice for making DIY plaster statues and plaster statues of cartoon dolls.
The names of gypsum powder for making plaster statues: semi-aqueous fiber gypsum powder, high strength adhesive, high strength gypsum powder, gypsum powder for making plaster columns gypsum and quick glue powder. Gypsum powder generally does not have its own brand and brands vary from location to location.
In addition to the name, it is best to identify three keys to know whether gypsum powder is suitable for making gypsum. The first is that gypsum powder usually solidifies in 8 to 20 minutes.tes, and the second is hardness. of gypsum powder This should be enough, and the third is that it should be white and detailed enough.
The chemical formula of calcium sulfate hemihydrate is CaSO4·1/2H2O, commonly known as gypsum hemihydrate, which is a major cement material. After mixing with water, it can be made into a plastic slurry. After a period of reaction, it will lose its plasticity, solidify and harden into a solid with some strength.
The chemical formula of this solid is CaSO4·2H2O, commonly called gypsum dihydrate. The main components of current gypsum boards, calcium silicate boards and high crystallinity boards are dihydrated gypsum.
I hope this helps you.