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State two applications of: (i) PVC paper (ii) Porcelain with type of class based on withstand temperature is insulating material.

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Sure! Here’s a breakdown of the applications:

### (i) PVC Paper:
1. **Protective Coating**: PVC paper is often used as a protective coating for surfaces like walls and furniture. It provides a durable and waterproof layer, which helps in maintaining the appearance and longevity of the underlying material.
2. **Labels and Stickers**: Due to its flexibility and ease of printing, PVC paper is commonly used for producing labels and stickers. It can be customized with various designs and is resistant to wear and tear, making it ideal for labeling products and packaging.

### (ii) Porcelain (as an insulating material):
Porcelain can be classified based on its temperature resistance into several classes. For insulating purposes, it typically falls into the following:

1. **Class A Insulating Porcelain**: This type of porcelain can withstand temperatures up to around 1,200°C (2,192°F). It is used in high-voltage electrical insulators and components that require strong thermal and electrical insulation properties.
2. **Class B Insulating Porcelain**: This type is suitable for temperatures up to approximately 900°C (1,652°F). It is often used in electrical insulators and other components where moderate temperature resistance is needed.

These types of porcelain are chosen for their ability to resist heat and electrical conductivity, making them valuable in various electrical and thermal insulation applications.
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Certainly! Here are two applications for each material you mentioned:

### PVC Paper
1. **Packaging**: PVC paper is commonly used for packaging materials due to its durability, flexibility, and resistance to moisture. It's often used for wrapping food products, medical supplies, and other items that require a protective layer.
   
2. **Decorative Films**: PVC paper is used in decorative applications such as wallpapers, laminated surfaces, and signage. Its ability to be printed with various designs makes it popular for interior decoration and promotional materials.

### Porcelain (Insulating Material)

**Porcelain as an insulating material** can be categorized into different classes based on its temperature withstand capability:

1. **High-Temperature Insulation**: Porcelain insulators are used in high-voltage electrical applications such as power lines and substations. They are able to withstand temperatures ranging from 200°C to 600°C, depending on the specific type and design. These insulators help in supporting electrical conductors and preventing electrical leakage.

2. **Medium-Temperature Insulation**: In some industrial applications, porcelain is used for insulation in environments with moderate temperatures, typically up to 200°C. Examples include certain types of electrical connectors and switches, where porcelain provides both mechanical support and electrical insulation.

Porcelain's insulating properties make it suitable for a range of applications where reliable performance in high or medium temperatures is essential.
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