Answer as a Question
Cling wrap/Casing film

Q1.When did the use of polyvinylidene chloride start?

Q2. What are the advantages and applications of polyvinylidene chloride?

Q3. What are the main characteristics of different materials used for cling wrap for food packaging?

Q4. How and from which raw materials is polyvinylidene chloride made?

Q5.What is the difference between polyvinylidene chloride and vinyl chloride although their names are similar?

Q6.How is the safety of polyvinylidene chloride products ensured?

What kinds of additives are used for polyvinylidene chloride cling wrap?

What points should be noted when disposing of polyvinylidene chloride?

Q9.Is it safe if a small piece of polyvinylidene chloride is eaten together with food by accident?

Q10. Why do the precautions for use of polyvinylidene chloride cling wrap state, “Do not microwave while in direct contact with oily food”?

Q11. What does the W-shaped marking on polyvinylidene chloride and other cling wrap packages mean?