1, With a plastic bowl 500g of glue, at room temperature to add 1.5% of the curing agent, fully stirred evenly set aside.
2. The mother mold blank is lubricated with mold release agent.
3. The lubricated mother billet is surrounded by wooden strips, and the wooden strips should also be treated with release agent, and the gap in the middle is 2-4cm.
4. The well-matched glue is slowly poured along a fixed pouring point, and the vibration is from time to time to exclude the air inside.
5, 60 minutes after the glue cures completely, then surround it with wooden strips, leave a 4cm gap, and remove the log strips.
6. Inject 1000g of gypsum powder into the wooden frame after mixing with water, until it is filled (the wooden strip frame should be divided into two parts by plastic film to facilitate mold removal).
7. After 20 minutes, remove the wooden strips and the mold is completed.
