Use the properties in certain types of plastic, such as polyvinyl alcohol can dissolve in water. When in environments with high humidity or water. When temperatures rise, plastic will melt has increased .
This property of water-soluble plastic such as polyvinyl alcohol. Solubility in water Once in a humid environment. Or in the water Higher temperature Plastic will melt has increased
Properties of insoluble in water some plastics, such as poly (vinyl alcohol, can dissolve in water. When is in the environment with high humidity. Or in the water. When the plastic melt is increased .