Introduction:
Silica fabric is a versatile and heat-resistant material used in various industries. Let’s delve into the different types of silica fabric, their weight classifications, coated materials, industry standards, and where to purchase them.

Silica fabric is a high-temperature-resistant textile made from amorphous silica fibers. It possesses excellent thermal insulation properties, making it ideal for applications in industries such as aerospace, automotive, and fire protection. Silica fabric is woven from inorganic, non-metallic fibers, which can withstand extreme temperatures up to 1200°C (2192°F) without significant shrinkage or degradation. The melting point could be up to 1800°C (3272°F).

Silica fabric is available in different weight classifications, ranging from lightweight to heavyweight. The weight determines the fabric’s thickness and insulation capabilities. Common weight categories include light , medium, and heavy. Lighter weight silica fabrics are suitable for applications requiring flexibility and ease of handling, while heavier fabrics offer enhanced durability and insulation properties.

Silica fabric can also be classified based on the type of coating applied to enhance specific properties. Coatings are often applied to improve resistance to abrasion, chemicals, moisture, and heat. Some commonly used coatings include vermiculite, aluminum foil, silicone, and acrylic. Vermiculite coating provides enhanced resistance to high temperatures and flame, while aluminum foil coating offers excellent heat reflection properties. Silicone and acrylic coatings provide improved resistance to abrasion and chemicals.

To ensure quality and performance, silica fabric must adhere to recognized industry standards. ASTM International and ISO (International Organization for Standardization) have established standards for silica fabric, focusing on parameters such as tensile strength, thermal conductivity, and flame resistance. These standards ensure that the fabric meets specific criteria and can perform reliably in demanding environments. Compliance with standards provides assurance to end-users regarding the fabric’s quality and suitability for their intended applications.

Beside that, the most important indicator of silica fabric is the content of SIO2. Normally, there are two kinds of silica fabrics, high silica fabric and medium silica fabric. the differnet is the content of SIO2, we say it high silica fabric, it means the SIO2 is over 96%, otherwise, it is medium silica fabric.

Silica fabric can be purchased from various sources. Industrial suppliers, specialty fabric stores, and online marketplaces offer a wide range of options. It is essential to choose reputable suppliers who provide certified and tested products to ensure reliability and compliance with industry standards.

– Suntex Composite, Suntex is a Chinese leading manufacturer of a wide range of high quality coated textiles using fiberglass and silica fabric as a base material for high temperature resistance and fire protection applications.
– ISO9001:2015 complied, equipped with three sets of the production line, own 20000㎡ production area, and 600 million capacity annual, up today, Suntex has successful cooperated with more than 600 customers globally for heat resistance, fire resistance, and high performance need in Petrochemical power generation, air distribution system, foundries, shipyards industries.