2. use a water soluble properties Some types of plastic such as vinyl alcohol polymer soluble in water. Once in the environment with high humidity or in the water. When the temperature rises, the plastic will melt.
2. Treasure dissolved some plastics, such as polyvinyl alcohol. Can be dissolved in water Once in the environment with high humidity. Or in water When temperatures rise Plastic will melt has increased
2 properties, insoluble in water.Some plastics, such as poly (vinyl alcohol, can dissolve in water. When in the environment with high humidity, or in the water. When the temperature rises. The plastic melt is increased.