The easiest way to make gypsum

The preparation method of that plast is as follows:

Main ingredients: vegetable oil, Huang Dan, Pogostemon cablin, camphor, myrrh and borneol.

1. Tailor-made: First, an experienced old Chinese doctor will prescribe a prescription that conforms to his physique, and then he will prepare Chinese medicine in the pharmacy and take it home. Mix the medicines evenly, put them in a covered container (preferably a casserole), and soak them in appropriate amount of cold water, the water is higher than the powder 15cm, and soak them 1 day.

2. Extraction of medicinal materials: put vegetable oil into a pot, add medicinal materials after slight heating, heat and stir continuously until the surface is dark brown and the inside is brown. At this time the temperature can reach 220℃. After binding, filter out the residue and leave the medicinal oil.

3, icing on the cake: this aspect can best reflect personalization. Adding gelatin such as Colla Corii Asini, Colla Plastri Testudinis, Colla Cervi, and optionally Semen Juglandis, Semen Sesami, Mel, crystal sugar, etc. Put it into the thick liquid medicine, boil it with low fire, stir it constantly with chopsticks and collect it evenly.

4. Continue to boil the medicinal oil until the oil temperature rises to 320 degrees, and change to medium heat. Medicinal oil can be refined into water drops and beads.

5. After the medicinal oil is refined, leave the fire and add Dan. Generally, 500 grams of oil can be added with about 250 grams of Dan. Add a small amount of Dan and stir in the same direction while adding. Stir into a thick paste, the plaster does not stick to your hands, and it is best to keep painting.

6. After the plaster is finished, add cold water, soak it, change the water once a day, and stick it again after seven days.

7. Put the plaster ball into a container, melt it in water bath or slow fire, add fine materials, stir, take a certain amount of plaster on kraft paper or plaster cloth with a bamboo stick, and finally sprinkle with Pogostemon.