High silica cloth is an excellent choice for fire blankets due to its exceptional heat resistance and fireproof properties. Here are some key points about high silica cloth in the context of fire blankets:

1. Heat Resistance: High silica cloth can withstand extremely high temperatures, typically up to 1800°C (3272°F) intermittently. This makes it suitable for use in environments where intense heat and flames are present.

2. Fireproofing: It is inherently fireproof, meaning it does not support combustion and will not catch fire easily. This property is crucial for a fire blanket as it needs to smother fires effectively without becoming a fuel source itself.

3. Flexibility: Despite its high heat resistance, high silica cloth remains flexible and can be draped over objects or wrapped around a person in case of emergency, making it effective as a fire blanket.

4. Chemical Stability: It is resistant to most chemicals, which adds to its durability and reliability in various hazardous situations.

5. Insulation Properties: High silica cloth also has good thermal insulation properties, which can help in protecting individuals or objects from radiant heat.

When choosing a high silica cloth for a fire blanket, consider factors such as thickness (which affects durability and insulation), weave pattern (tight weaves offer better heat resistance), and any additional treatments or coatings that may enhance its performance. Always ensure that the cloth meets relevant safety standards and regulations for fire safety equipment in your region.