Medical gypsum generally refers to plaster of paris, with the molecular formula i:aS()4"}IhCI.

Gypsum bandages are made of starched gauze bandages and plaster of paris powder. It can be hardened and shaped in a short time after being soaked in water. It has strong shaping ability and good stability. It is used for orthopedic or orthopedic fixation, auxiliary equipment for molds, prostheses, and protective brackets for burns. Production. Extended information

Gypsum is divided into fiberglass polymer bandages and polyester fiber polymer bandages, which are made of glass fiber or polyester fiber coated with polyurethane compounds. The latter is the most commonly used and is made of polyurethane compounds. The layer is made of polymer fibers soaked in polyurethane and polyester, which has good biocompatibility. It has the characteristics of fast hardening, high strength, and is not afraid of water. It is an upgraded product of traditional plaster bandages.

Reference materials. ：Baidu Encyclopedia-Medical Gypsum