Saran is a brand name that is often associated with a type of plastic wrap or food film used for covering and preserving food. It is made from a polymer called polyvinylidene chloride (PVDC), which has properties that make it effective for stretching and sealing around various food items. Saran wrap is known for its ability to cling tightly to surfaces, which helps to create an airtight seal that keeps food fresh by preventing moisture and air from getting in.
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