Which plastic is used :
for coating in cooking utensils and non-stick pans.

Explanation

**Step-by-Step Solution:**

1. **Identify the Plastic Used**: The question asks for a specific plastic that is used for coating cooking utensils and non-stick pans. The answer is Teflon.

2. **Explain the Use of Teflon**: Teflon is specifically used for coating non-stick pans and cooking utensils due to its unique properties.

3. **Reason for Teflon's Use**: The primary reason Teflon is used is that it is not affected by heat. This means it can withstand high temperatures without degrading or losing its non-stick properties.

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