Apart from plastic, which other raw material is most important for Nakul's toothbrush manufacturing business?

Options

A. Acrylic
B. Nylon
C. Polyester
D. Rayon

Explanation

**Step-by-Step Solution:**

1. **Identify the main material used for the toothbrush handle:** The question states that apart from plastic, we need to find another important raw material used in manufacturing toothbrushes. The video mentions that the brush handle is made of plastic.

2. **Determine the material used for the toothbrush bristles:** The video indicates that the bristles of the toothbrush are made of nylon. This is a crucial point because it highlights another significant raw material used in toothbrush manufacturing.

3. **Specify the type of nylon used:** According to the video, the specific type of nylon used for the toothbrush bristles is Nylon 6-6. This information is important as it identifies the exact material used.

4. **Understand the composition of Nylon 6-6:** The video explains that Nylon 6-6 is made from two components: adipic acid and hexamethylene diamine. This composition is relevant for understanding the chemical basis of the nylon used.

5. **Conclude the answer:** Based on the information provided, the most important raw material for Nakul's toothbrush manufacturing business, apart from plastic, is nylon, specifically Nylon 6-6.

**Final Answer:** The most important raw material for Nakul's toothbrush manufacturing business, apart from plastic, is nylon (Nylon 6-6).

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