__________ is used for non-stick coating on cookwares.

Options

A. Teflon
B. Polyester
C. PET
D. PVC

Explanation

**Step-by-Step Solution:**

1. **Identify the Question:** The question asks for a substance used for non-stick coating on cookware.

2. **Review the Options:** The options provided are Teflon, polyester, PET, and PVC.

3. **Recall the Properties of Each Option:**
- **Teflon:** Known for its non-stick properties and high-temperature resistance.
- **Polyester:** Commonly used in fabrics and clothing, not typically for cookware.
- **PET (Polyethylene Terephthalate):** Used mainly for bottles and containers, not for non-stick coatings.
- **PVC (Polyvinyl Chloride):** Used in pipes and vinyl products, not suitable for cookware.

4. **Determine the Correct Answer:** Based on the properties of the materials, Teflon (polytetrafluoroethylene) is specifically designed for non-stick applications due to its ability to withstand high temperatures without melting.

5. **Conclude the Answer:** Therefore, the answer to the question is Teflon.

**Final Answer:** Teflon is used for non-stick coating on cookware.

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